You'll never see him in Rotherhithe! (3)
I believe the answer is:
her
'you'll never see him' is the definition.
I don't know anything about this answer so I cannot tell whether this works.
'in rotherhithe' is the wordplay.
'in' indicates the answer is hidden within the clue.
'HER' is hidden in the letters of 'rotherhithe'.
Can you help me to learn more?
(Other definitions for her that I've seen before include "In the Midlands she" , "Belonging to the woman" , "Pronoun used of ship" , "Belonging to a female" , "That lady" .)