Mutual aid: the practice or principle of helping one another, especially within communities or organizations.
災害時には地域の相互扶助が非常に重要だ。
Community mutual aid is extremely important during disasters.
老人会では相互扶助の仕組みを整えている。
The senior citizens' association has set up a system of mutual aid.
子育てをしている親どうしで相互扶助を行うグループが増えている。
Groups where parents help each other with childcare are increasing.