Like a Walker Cup golfer (7)

I believe the answer is:

amateur

(Other definitions for amateur that I've seen before include "he's not making any money" , "Unpaid performer" , "unskilful" , "enthusiast" , "lacking professionalism" .)

I've seen this clue in The Wall Street Journal.

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.