代打 だいだ
daida

Noun

1. pinch-hitting; pinch hitter

Baseball
かれはその試合 しあい代打 だいだとして出場 しゅつじょうした。
karewa sono shiaini daidato shite shutsujō shita.
He appeared as a pinch hitter in the game.
Noun

2. performing a duty in place of someone else; proxy