义工

義工
yìgōng
  1. volunteer worker
  2. volunteer work

CEDICT

Entry Composition

1 义 yì
  1. justice
  2. righteousness
  3. meaning
  4. foster (father etc)
  5. adopted
  6. artificial (tooth, limb etc)
  7. relationship
  8. friendship
2 工 gōng
  1. work
  2. worker
  3. skill
  4. profession
  5. trade
  6. craft
  7. labor