控ひかえ選せん手しゅ

noun, noun which may take the genitive case particle 'no'

substitute player; reserve

Refers to a player on a sports team who is not in the starting lineup but is available to replace another player during a game.

• 彼かれはまだ控ひかえ選せん手しゅだが、いつかレギュラーに