parliamentarian; member of a congress
地元の代議士に陳情した。
I petitioned the local parliamentarian.
その代議士は環境問題に熱心に取り組んでいる。
That member of parliament is actively engaged with environmental issues.
スキャンダルが発覚した代議士は記者会見で説明責任を果たした。
The parliamentarian whose scandal came to light met their accountability obligations at a press conference.