One who's faithful till the end (6)

I believe the answer is:

martyr

(Other definitions for martyr that I've seen before include "Not regular" , "Persecution victim" , "Victim for a cause" , "put at stake?" , "One who dies for a cause" .)

I've seen this clue in the Universal.

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.