The only chap regarded belittlingly? (4,3)

I believe the answer is:

mere man

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

'regarded belittlingly?' is the definition.
I know nothing about this answer so I can't judge whether this works.

'the only chap' is the wordplay.
'the only' becomes 'mere' (I've seen this in another clue).
'chap' becomes 'man' (chap can mean a man).
'mere'+'man'='MERE MAN'

Can you help me to learn more?

I've seen this clue in the Evening Standard.

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.