Mooch about while he shoots (6)
I believe the answer is:
potter
'mooch about while he shoots' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.
This is all the clue.
Can you help me to learn more?
(Other definitions for potter that I've seen before include "at the wheel?" , "Craftsman - dawdle - Harry!" , "Pootle" , "A maker of ceramics" , "One throws and moulds clay" .)