financier vs city man

financier and city man both are nouns.

Word	Noun	Adjective	Verb	Adverb
financier	Yes	No	Yes	No
city man	Yes	No	No	No

As nouns, city man is a hyponym of financier; that is, city man is a word with a more specific, narrower meaning than financier:

Other hyponyms of financier include banker, dealer, principal.

financier (noun)	city man (noun)
a person skilled in large scale financial transactions	a financier who works in one of the banks in the City of London

financier (verb)	city man (verb)
conduct financial operations