Supporting one political group (8)

I believe the answer is:

partisan

(Other definitions for partisan that I've seen before include "In Sparta (anag)" , "Strongly supporting one side" , "Aspirant to be a guerilla" , "pike" , "Old battle-axe" .)

I've seen this clue in The Star Tribune.

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.