Person who acts for another (5)

I believe the answer is:

proxy

(Other definitions for proxy that I've seen before include "Authority to represent another" , "Stand in" , "One voting on behalf of another" , "Authorised substitution" , "Authorised substitute" .)

I've seen this clue in The Sun.

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.