一役買う (ひとやくかう) Japanese meaning | KotomoraMeanings
1
expression, godan verb (-u)
take on a role; play a part; lend a hand
Used when someone voluntarily takes on a role or contributes to a group effort, often in a helpful or proactive way.
に
一
役
買
う
つもり
だ
。
I intend to lend a hand with the local cleanup activity.