Sewer's darker mess needs shifting (10)
I believe the answer is:
dressmaker
'sewer's' is the definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?
'darker mess needs shifting' is the wordplay.
'needs shifting' indicates anagramming the letters (I've seen this in other clues).
'darker'+'mess'='darkermess'
'darkermess' anagrammed gives 'DRESSMAKER'.
Can you help me to learn more?
(Other definitions for dressmaker that I've seen before include "Clothes producer" , "Couturier or seamstress, perhaps" , "Clothes manufacturer" , "One producing women's clothing" .)