The general secretary of the RMT union (4)
I believe the answer is:
mick
(Other definitions for mick that I've seen before include "Diminutive of Michael" , "Take the - - out of" .)
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.