Heart problems? One doesn’t like it (5)

I believe the answer is:

hater

I'm a little stuck... Click here to teach me more about this clue!

'one doesn't like it' is the definition.
I can't tell whether this defines the answer.

'heart problems?' is the wordplay.
'problems?' is an anagram indicator (I've seen 'problem' mean this).
'heart' anagrammed gives 'HATER'.

Can you help me to learn more?

(Other definitions for hater that I've seen before include "Antipathetic type" , "Unpleasant type" , "He loathes" , "Person showing animosity" , "Heart (anag.)" .)

I've seen this clue in The Hindu.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.