委員 refers to a member of a committee or board.
COMMON PATTERNS:
- 委員になる (become a committee member)
- 委員を務める (serve as a committee member)
- 委員に選ばれる (be elected as a committee member)
COMPOUND WORDS:
- 委員会: committee (the group itself)
- 委員長: committee chairman
- 学級委員: class representative
- 実行委員: executive committee member