Duffer; butterfingers (7)

I believe the answer is:

bungler

(Other definitions for bungler that I've seen before include "Clumsy incompetent" , "Someone prone to getting it wrong" , "Clumsy executant" , "One prone to error" .)

I've seen this clue in The Guardian.

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.