noun
mutual insurance
A type of insurance where policyholders mutually share risks and benefits, as opposed to a commercial insurance company. Often contrasted with 営業保険 (commercial insurance).
See also: 営業保険
相互保険は、加入者同士が助け合う仕組みです。
Mutual insurance is a system where members help each other.
この団体は相互保険の形態をとっている。
This organization takes the form of mutual insurance.