Simplify the following text for a Grade 12 native English-speaking person.
Original: Mosleh Zamani ( also referred as Moslah Zamani ) was a young Kurdish man from Sanandaj , who was executed for adultery in December 2009 ( under Iranian law , every sexual contact outside marriage , even if both people are unmarried , is adulterous ) .
Simplified: Mosleh Zamani ( also referred to as Moslah Zamani ) was a 23-year old Iranian Kurd who was executed on December 17 , 2009 for having an `` illicit relationship with his girlfriend '' when he was 17 years old .