One of the rank-and-file MPs (11)

I believe the answer is:

backbencher

(Other definitions for backbencher that I've seen before include "Rank and file MP" , "MP not holding office" , "MP without office" , "Legislator" , "Representative" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.