Person calling tech support, say

I believe the answer is:

user

(Other definitions for user that I've seen before include "Person employing something" , "Drug addict (informal)" , "Operator (of something)" , "Ruse (anag.)" , "Exploiter (of others)" .)

I've seen this clue in The New York Times.

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.