봉사가 · 봉사를
volunteer work, service
Example
방학 동안 양로원에서 봉사를 했어요.
I did volunteer work at a nursing home during the break.
Word parts
봉 serve, offer+사 serve
Literally 'offering service' to others.
Good to know
The usual collocation is 봉사 활동을 하다, 'to do volunteer activities.'
Related words