Meat avoider (5)
I believe the answer is:
vegan
'meat avoider' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for vegan that I've seen before include "Strict vegetarian" , "Conscientious consumer" , "One not eating animals" , "Avoiding animal products" , "Strict abstainer from animal products" .)