Volunteerism

[ˌvɑlənˈtɪrɪzəm]
Definition:

Flexibility built into the workplace where the company supports employees volunteering time. This may include pro bono work related to the core functions of the business, or may just be sponsorship of an employee to do general volunteering in the community.

Part of speech:
noun
Use in a sentence:
The organization, is giving him the opportunity to volunteer.
Volunteerism