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.
Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] 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> [END] 
Answer: 
Badr Hari
Badr Hari