1. Unpaid work undertaken by choice, typically for charitable or community organizations
She does voluntary work at the local food bank every weekend.
Ela faz trabalho voluntário no banco de alimentos local todos os fins de semana.
2. Labor performed without compensation for social, environmental, or humanitarian purposes
Many students engage in voluntary work to gain experience and help their communities.
Muitos estudantes participam de trabalho voluntário para ganhar experiência e ajudar suas comunidades.