Man of balance (4)
I believe the answer is:
alan
'man' is the definition.
'of balance' is the wordplay.
'of' indicates a hidden word.
'ALAN' is hidden within 'balance'.
(Other definitions for alan that I've seen before include "Boy" , "A.A. Milne's first name" , "Sir -- Sugar (The Apprentice)" , "English historian/poet" , "- Bennett, English actor, dramatist, writer" .)