Simplify the following text for a Grade 9 native English-speaking person.
Original: Manute Bol ( born 16 October 1962 - died 19 June 2010 ) was a Sudanese-born professional basketball player who played for the Washington Bullets , Golden State Warriors , Philadelphia 76ers , and Miami Heat in the NBA .
Simplified: Manute Bol ( mÉ Ë nuË t Ë boÊ l ; October 16 , 1962 â `` June 19 , 2010 ) was a Sudanese-born basketball player and activist .