volunteerism
noun/ˌvɒlənˈtɪərɪzəm/
/ˌvɑːlənˈtɪrɪzəm/
[uncountable] (especially North American English)- the practice of working as a volunteer, especially in community service
- (also voluntarism)the practice of using or relying on volunteers rather than paid workers
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volunteerism