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.
Agricultural mutual aid is a mutual assistance system for farmers.
He joined the mutual aid association and reduced his medical expenses.
I felt reassured after joining my company's mutual-aid plan.
Since I was hospitalized, I received a benefit payment from the mutual-aid fund.