One who can't stand something (5)
I believe the answer is:
hater
(Other definitions for hater that I've seen before include "Antipathetic type" , "He loathes" , "One who shows intense dislike" , "Heart (anag.)" , "I really can't stand" .)
I believe the answer is:
hater
(Other definitions for hater that I've seen before include "Antipathetic type" , "He loathes" , "One who shows intense dislike" , "Heart (anag.)" , "I really can't stand" .)