Simplify the following text for a Grade 7 native English-speaking person.
Original: Choi Chung-Min ( Hangul : ì ì ë 1\/4 , born 30 August 1930 - died 8 August 1983 ) is a retired South Korean football player and football manager .
Simplified: Choi Chung-Min ( born 30 August 1930 - died 1983 ) is a former South Korean football player .