volunteer activities; volunteerism
Refers broadly to unpaid, voluntary work or the practice of volunteering, often in community or disaster-relief contexts.
I participated in volunteer activities over the weekend.
I met many people through volunteer work.
When I was a university student, I took part in volunteer activities in a disaster-hit area.
This organization carries out cleanup volunteer activities every month.
I decided to do volunteer work in the disaster-stricken area.
He has continued his volunteer activities for over ten years.