backbencher

Noun

broadly

(politics) A Member of Parliament who does not have cabinet rank, and who therefore sits on one of the backbenches or in one of the back rows of the legislature.

Japanese Meaning

内閣や閣僚に所属していないため、議会の後方の席に座る議員。 / 政治において、政府の主要ポストに就くことなく、議場の後部に位置する国会議員（または類似の立法機関の議員）。

What is this buttons?

Although he was a backbencher for many years, he became known for his persistent advocacy on environmental issues.

Google Translation / DeepL Translation

彼は何年もの間閣僚ではない国会議員だったが、環境問題に対する粘り強い擁護で知られるようになった。

Details

Sense（1）

(politics) A Member of Parliament who does not have cabinet rank, and who therefore sits on one of the backbenches or in one of the back rows of the legislature.

Sense（2）

(education) A student who does not perform well, especially one who sits at the back of the classroom.

Classmates naturally turn to look at the backbencher, who must acknowledge his presence, with some embarrassment.

Google Translation / DeepL Translation

Details

Sense（3）

(sports) A member of a team who does not usually play, but who is held in reserve.

During 1994, the national team players were away for a game in January and again during the season-ending league championship tournament in April. The “backbenchers” won all these games.

Google Translation / DeepL Translation