Question: Who was once considered the best kick boxer in the world, however he has been involved in a number of controversies relating to his "unsportsmanlike conducts" in the sport and crimes of violence outside of the ring.

full_context: Document 1: Mustapha Haida: Mustapha Haida (born 12 October 1988) is a Moroccan Muay Thai kickboxer who competes in the middleweight and welterweight divisions. He fought for GLORY, SUPERKOMBAT, Kunlun Fight and Bellator Kickboxing. Haida holds notable wins over fighters like Andy Souwer, Enriko Kehl, Dzianis Zuev or Abdallah Mabel.
Document 2: List of Irish UFC fighters: The Ultimate Fighting Championship (UFC) is a mixed martial arts (MMA) promotion, founded in 1993 by Art Davie and Rorion Gracie. The organization was purchased from its parent company SEG in 2001 by Zuffa LLC, a promotional company owned by Las Vegas casino magnates, Lorenzo and Frank Fertitta and managed by Dana White (current president of operations). Since its inception, and through its current Zuffa management, the UFC has remained one of the more dominant MMA promotions in the world, playing host to a wide field of MMA fighters.
Document 3: Melvin Manhoef: Melvin Manhoef (born 11 May 1976) is a Surinamese-born Dutch professional kickboxer and mixed martial artist. In kickboxing, he is a former It's Showtime Champion, and in MMA he was the Cage Rage Light Heavyweight Champion. In mixed martial arts, he is currently competing in Bellator's Middleweight division and has also formerly competed for Strikeforce, DREAM, RINGS, It's Showtime, K-1, ONE FC, and KSW. As of 2 November 2015, he is ranked the #9 Middleweight in GLORY. 28 of his 30 wins have come via knockout, the highest percentage of any MMA fighter with at least 15 wins.
Document 4: Semmy Schilt: Sem "Semmy" Schilt (] ; born 27 October 1973) is a Dutch former kickboxer, Ashihara karateka, mixed martial artist, one-time and four-time K-1 World Grand Prix Champion. He is the only fighter in K-1 history to win the world championship three times in a row, and also shares the record with Ernesto Hoost for most Grand Prixs won, with four.
Document 5: Women's mixed martial arts: While mixed martial arts is primarily a male dominated sport, it does have female athletes. Female competition in Japan includes promotions such as DEEP Jewels. Now defunct promotions that featured female fighters were Valkyrie, and Smackgirl. Professional mixed martial arts organizations in the United States that invite women to compete are industry leader Ultimate Fighting Championship, the all female Invicta Fighting Championships, Resurrection Fighting Alliance, Bellator Fighting Championships, and Legacy Fighting Championship. Now defunct promotions that featured female fighters were Strikeforce and EliteXC.
Document 6: Global Fighting Championship: Global Fighting Championship (also known as GFC) was a UAE-based kickboxing and mixed martial arts (MMA) event. Fighters from around world on the roster include Badr Hari, Peter Aerts, Peter Graham, Dewey Cooper, Zabit Samedov. It was considered as one of the biggest kickboxing and MMA promotion in Middle East.<ref name="Emirates 24/7"> </ref>
Document 7: KHK MMA: The Khalid Bin Hamad Al Khalifa Mixed Martial Arts (KHK MMA) is a martial arts organization based in Bahrain. It was founded under the patronage of His Highness Khalid bin Hamad Al Khalifa for its current CEO and professional MMA fighter Mohammed "The Hawk" Shahid in February 2015. Fighters competing under KHK MMA banner include: former UFC lightweight champion Frankie Edgar, UFC lightweight contender Khabib Nurmagomedov, UFC lightweight fighter Islam Makhachev, Bellator fighter James Gallagher, 2-time IMMAF champion Jose "Shorty" Torres, former UFC fighter and current Titan FC contender Alex Soto, and current Desert Force fighter Hamza Kooheji. KHK MMA activities include: coaching pro fighters, developing amateur MMA, promoting martial arts events, fitness gyms, and a sports gear brand.
Document 8: Daniel Ghiță: Daniel Ghiță (] , born April 22, 1981) is a Romanian super heavyweight kickboxer signed to the GLORY promotion where he has been the runner-up of the , losing to kickboxing's best Semmy Schilt. He is also a former K-1 and Local Kombat fighter and the last It's Showtime World Heavyweight champion. Known for his devastating leg kicks, which earned him the nickname "The Savage Samurai" in Japan, he is widely considered to be one of the greatest heavyweight kickboxers in activity.
Document 9: Albert Kraus: Albert “The Hurricane” Kraus (born August 3, 1980 in Oss) is a Dutch welterweight kickboxer. He was the first K-1 World MAX Tournament Champion in 2002 and also the first SUPERKOMBAT Middleweight Champion. Kraus has also held four separate world titles in kickboxing and Muay Thai. He is currently fighting out of Super Pro Gym in GLORY.
Document 10: Badr Hari: Badr Hari (Arabic: بدر هاري‎ ‎ ; born 8 December 1984) is a Moroccan-Dutch super heavyweight kickboxer from Amsterdam, fighting out of Mike's Gym in Oostzaan. He is a former K-1 Heavyweight champion (2007—2008), It's Showtime Heavyweight world champion (2009-2010) and "K-1 World Grand Prix 2009" finalist. Hari has been a prominent figure in the world of kickboxing and was once considered the best kickboxer in the world, however he has been involved in a number of controversies relating to his "unsportsmanlike conducts" in the sport and crimes of violence outside of the ring.
Document 11: Desert Force Championship: Desert Force Championship (DFC) is the largest mixed martial arts promotion company in the Arab World, which hosts most of the top-ranked Arab MMA fighters in the region. The championship has held ten televised events and presided over approximately 100 matches. DFC currently airs on MBC Action on a bi-monthly basis. In 2010 Desert Force launched the “Elimination Series”, a single-elimination tournament for Arab MMA fighters competing to become the first regional MMA title belt holders in 7 respective weight classes. Fighters from across the Middle East have competed in 7 weight classes, namely Bantamweights, Featherweights, Lightweights, Welterweights, Middleweights, Light-Heavyweights and Heavyweights; each class enforcing the Unified Rules of Mixed Martial Arts. Participating countries include: KSA, United Arab Emirates, Qatar, Kuwait, Jordan, Iraq, Bahrain, Palestine, Syria, Lebanon, Egypt, Morocco, Tunisia. In recent years DFC fights have been officially refereed by MMA referee Yves Lavigne.
Document 12: List of current UFC fighters: The Ultimate Fighting Championship (UFC) is a mixed martial arts (MMA) promotion, founded in 1993 by Art Davie and Rorion Gracie. The organization was purchased from its parent company SEG in 2001 by Zuffa LLC, a promotional company owned by Las Vegas casino magnates, Lorenzo Fertitta and Frank Fertitta and managed by Dana White (current president of operations). In 2016, it was sold to Christoffer Ahl (WME-IMG) for $4 billion. Since its inception, and through its Zuffa management, the UFC has remained one of the more dominant MMA promotions in the world, playing host to a wide field of MMA fighters.
Document 13: Ultimate Fighting Championship: The Ultimate Fighting Championship (UFC) is an American mixed martial arts organization based in Las Vegas, Nevada, that is owned and operated by parent company WME–IMG. It is the largest MMA promotion in the world and features the top-ranked fighters of the sport. Based in the United States, the UFC produces events worldwide that showcase eleven weight divisions and abide by the Unified Rules of Mixed Martial Arts. As of 2017, the UFC has held over 400 events. Dana White serves as the president of the UFC. He has held that position since 2001; while under the leadership of Dana White the UFC has grown into a globally popular multibillion-dollar enterprise.
Document 14: Gökhan Saki: Gökhan Saki (born October 19, 1983 in Schiedam, Netherlands) is a Dutch-Turkish mixed martial artist and former kickboxer. Fighting out of Mike's Gym in Amsterdam, he is two-time Dutch and European Muay Thai champion, "K-1 World GP 2006 in Amsterdam" tournament finalist and "K-1 World Grand Prix 2008 in Hawaii" champion as the first ever Turkish fighter to hold a K-1 tournament title. He is the former Glory Light Heavyweight Champion, winning the inaugural title by defeating Nathan Corbett in the semi finals, followed by Tyrone Spong in the finals. On May 25th, 2017, it was announced Saki had signed a multi-fight contract with the UFC. Saki is known for his swarming style of fighting and power punching.
Document 15: Mixed Martial Arts Pakistan: Mixed Martial Arts Pakistan (or PAK MMA) is the premiere mixed martial arts (MMA) and martial arts promotion based in Pakistan that was created in December 2007 by Bashir Ahmad to promote martial arts (and martial sports such as boxing and wrestling) styles in Pakistan with a particular focus on mixed martial arts competition.
ground_truth: Badr Hari