(n.) One who captures any person or thing, as a prisoner or a prize.

amateur athlete archer athlete ballplayer baseballer baseman batter battery blocking back bowman captor capturer center coach competitor cricketer defensive lineman end footballer games-player gamester guard infielder jock jumper lineman offensive lineman outfield outfielder partaker player poloist professional athlete pugilist quarterback racer skater sport sportsman tackle tailback taker toxophilite wingback wrestler