noun
cooperation; mutual aid; helping each other
Emphasizes reciprocal assistance, often in community, workplace, or survival contexts. The compound 助け合い is more concrete and action-oriented than abstract 協力.
災害時には、近所どうしの助け合いが大切だ。
In times of disaster, mutual aid among neighbors is important.
このプロジェクトは、みんなの助け合いで成功した。
This project succeeded thanks to everyone's cooperation.