1. Work performed by a person of their own free will, typically without monetary compensation, to benefit others or a cause
She dedicates her weekends to volunteer work at the local shelter.
Ela dedica seus fins de semana ao trabalho voluntário no abrigo local.
2. Unpaid labor or service undertaken willingly for charitable, social, or community purposes
Volunteer work is essential for many non-profit organizations.
O trabalho voluntário é essencial para muitas organizações sem fins lucrativos.