Tender of pigs (9)
I believe the answer is:
swineherd
'tender of pigs' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for swineherd that I've seen before include "A minder of pigs" , "Farmhand" , "Tamworth's keeper" , "Pig tender" , "I work on farm" .)