Please answer the following question: Information: - Japan ("Nippon" or "Nihon" ; formally "" or "Nihon-koku", means "State of Japan") is a sovereign island nation in Eastern Asia. Located in the Pacific Ocean, It is lying off the eastern coast of the Asia Mainland (east of China, Korea, Russia) and stretching from the Sea of Okhotsk in the north to the East China Sea and near Taiwan in the southwest. - East Asia is the eastern subregion of the Asian continent, which can be defined in either geographical or ethno-cultural terms. Geographically and geopolitically, it includes China, Hong Kong, and Macao; Mongolia and Taiwan; North and South Korea; and Japan; it covers about , or about 28% of the Asian continent, about twice the area of Europe. - In modern times, nunchaku (Tabak-Toyok) were popularized by actor and martial artist Bruce Lee and his martial arts instructor Dan Inosanto, who introduced this weapon to the actor. Organizations including the North American Nunchaku Association, World Amateur Nunchaku Organization, Federation Internationale de Nunchaku de Combat et Artistique, World Nunchaku Association, and International Techdo Nunchaku Association teach the use of nunchaku as a contact sport. - The Nakdong River or Nakdonggang is the longest river in South Korea, and passes through major cities such as Daegu and Busan. - Hapkido (, , also spelled hap ki do or hapki-do ) is a highly eclectic Korean martial art. It is a form of self-defense that employs joint locks, grappling, and throwing techniques similar to those of other martial arts, as well as kicks, punches, and other striking attacks. It also teaches the use of traditional weapons, including knife, sword, rope, ssang juhl bong (nunchaku), cane (ji pang ee), short stick (dan bong), and middle-length staff (joong bong, gun (analogous to the Japanese j), and b (Japanese)), which vary in emphasis depending on the particular tradition examined. - A knife (plural knives) is a tool with a cutting edge or blade, hand-held or otherwise, with most having a handle. Some types of knives are used as utensils, including knives used at the dining table (e.g., butter knives and steak knives) and knives used in the kitchen (e.g., paring knife, bread knife, cleaver). Many types of knives are used as tools, such as the utility knife carried by soldiers, the pocket knife carried by hikers and the hunting knife used by hunters. Knives are also used as a traditional or religious implement, such as the kirpan. Some types of knives are used as weapons, such as daggers or switchblades. Some types of knives are used as sports equipment (e.g., throwing knives). Knives are also used in agriculture, food harvesting etc.; the sickle, the scythe and even the combine harvester are knives. - Sin Moo Hapkido is a martial art that combines "hard" and "soft" techniques. From a purely technical perspective, it is very closely related to its parent art, Traditional Hapkido, though it places more emphasis on meditative, philosophical, and Ki development training. Hapkido is often translated as the way of coordinating power, which places emphasis on the physical techniques that Hapkido is often known for. However, the founder of Sin Moo Hapkido, Ji Han-Jae, has landed on a different understanding of the term. "Hap" means bringing together, gathering, or harmonizing. Ki is the energy or breath in the body that connects the mind and the body, and "Do" is the process or way this happens. Thus, his definition of Hapkido is, The way of harmonizing the mind and body through the utilization of ki. Sin means "higher mind or higher spirit," and "Moo" means "martial art." - Ji Han - Jae ( Hangul : ; Chi Hon - tsoi ) was born in Andong , Gyeongsangbuk - do , South Korea in 1936 . He is one of the highest ranking hapkido instructors in the world and founder of Sin Moo Hapkido . - Andong is a city in South Korea, and the capital of North Gyeongsang Province. It is the largest city in the northern part of the province with a population of 167,821 as of October 2010. The Nakdong River flows through the city. Andong is a market centre for the surrounding agricultural areas. - South Korea, officially the Republic of Korea (ROK), is a sovereign state in East Asia, constituting the southern part of the Korean Peninsula. - Korea is a historical state in East Asia, since 1945 divided into two distinct sovereign states: North Korea (officially the "Democratic People's Republic of Korea") and South Korea (officially the "Republic of Korea"). Located on the Korean Peninsula, Korea is bordered by China to the northwest and Russia to the northeast. It is separated from Japan to the east by the Korea Strait and the East Sea. - A joint lock is a grappling technique involving manipulation of an opponent's joints in such a way that the joints reach their maximal degree of motion. - Grappling refers to techniques, maneuvers, and counters applied to an opponent in order to gain a physical advantage in hand-to-hand combat, such as improving relative position, escaping, submitting, or injury to the opponent. Grappling is a general term that covers techniques used in many disciplines, styles and martial arts that are practiced both as combat sports and for self-defense. Grappling most commonly does not include striking or the use of weapons. However, some fighting styles or martial arts known especially for their grappling techniques teach tactics that include strikes and weapons either alongside grappling or combined with it. - Martial arts are codified systems and traditions of combat practices, which are practiced for a number of reasons: as self-defense, military and law enforcement applications, mental and spiritual development; as well as entertainment and the preservation of a nation's intangible cultural heritage. - A sovereign state is, in international law, a nonphysical juridical entity that is represented by one centralised government that has sovereignty over a geographic area. International law defines sovereign states as having a permanent population, defined territory, one government, and the capacity to enter into relations with other sovereign states. It is also normally understood that a sovereign state is neither dependent on nor subjected to any other power or state. Given the information above, choose from the list below the object entity that exhibits the relation 'occupation' with the subject 'ji han-jae'. Choices: - actor - founder - grappling - hunting - law enforcement - major - martial artist - master - military - religious - sovereign - taiwan - teach
Answer:
martial artist