Abhor dealing with many people (5)
I believe the answer is:
horde
'many people' is the definition.
(I've seen this before)
'abhor dealing with' is the wordplay.
'with' says the answer is hidden in the clue.
'HORDE' is hidden within 'abhor dealing'.
(Other definitions for horde that I've seen before include "A mob of people" , "Many people" , "Vast multitude" , "Large force" , "Large crowd" .)