venturer vs doer

venturer and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
venturer	Yes	No	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of venturer; that is, doer is a word with a broader meaning than venturer:

Other hypernyms of venturer include actor, worker.

venturer (noun)	doer (noun)
a person who enjoys taking risks	a person who acts and gets things done
a merchant who undertakes a trading venture (especially a venture that sends goods overseas)