当番

nounとうばん · touban

1. Englishbeing on duty; person on duty; one's turn

   • 先月の日直当番全部私に押し付けた形でエスケープした野郎だ。He's the pest that, on last month's class-help day, escaped leaving me with all the work.

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)