Someone else embraced by Hera - not Hercules (7)
I believe the answer is:
another
'someone else' is the definition.
(I've seen this before)
'embraced by hera not hercules' is the wordplay.
'embraced by' indicates the answer is hidden within the clue (surrounding letters embrace the answer).
'ANOTHER' is hidden in the letters of 'hera not hercules'.
(Other definitions for another that I've seen before include "No heart (anag.)" , "Somebody else" , "second" , "encore?" , "A further (item)" .)