enterpriser vs businessperson

enterpriser and businessperson both are nouns.

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

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

enterpriser: someone who organizes a business venture and assumes the risk for it
businessperson: a capitalist who engages in industrial commercial enterprise

Other hypernyms of enterpriser include bourgeois.

enterpriser (noun)	businessperson (noun)
someone who organizes a business venture and assumes the risk for it	a capitalist who engages in industrial commercial enterprise