Refers to the person who officiates a game or contest, making judgments and enforcing rules.
彼は野球の審判役を務めた。
He served as the umpire for the baseball game.
審判役の判定に選手が抗議した。
The player protested the referee's decision.
Compound of 審判 (judgment, refereeing) and 役 (role, duty).