comptroller vs businessperson

comptroller and businessperson both are nouns.

Word	Noun	Adjective	Verb	Adverb
comptroller	Yes	No	No	No
businessperson	Yes	No	No	No

As nouns, businessperson is a hypernym of comptroller; that is, businessperson is a word with a broader meaning than comptroller:

comptroller: someone who maintains and audits business accounts
businessperson: a capitalist who engages in industrial commercial enterprise

Other hypernyms of comptroller include bourgeois.

comptroller (noun)	businessperson (noun)
someone who maintains and audits business accounts	a capitalist who engages in industrial commercial enterprise