Sportingly, he’s not troubled by ducks (6)
I believe the answer is:
scorer
'sportingly he's not troubled by ducks' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.
This is the entire clue.
Can you help me to learn more?
(Other definitions for scorer that I've seen before include "Cricket bookkeeper" , "Keeper of the tally" , "- e.g. 13 17 for 1A [PORTER-FIELD for SUNDERLAND]" , "He puts up the points (or puts them down)" , "Cricket statistician" .)