noun
mutual aid; cooperative insurance
Refers to a system where members contribute to a common fund and receive benefits in times of need, such as illness, injury, or disaster. Often used in the names of organizations like 共済組合 or 共済保険.
農業共済は、農家のための相互扶助制度です。
Agricultural mutual aid is a mutual assistance system for farmers.
彼は共済組合に加入して、医療費の負担を軽くした。
He joined the mutual aid association and reduced his medical expenses.