venturer vs worker

venturer and worker both are nouns.

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

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

Other hypernyms of venturer include actor, doer.

venturer (noun)	worker (noun)
a person who enjoys taking risks	sterile member of a colony of social insects that forages for food and cares for the larvae
a merchant who undertakes a trading venture (especially a venture that sends goods overseas)	a person who works at a specific occupation
	a member of the working class (not necessarily employed)
	a person who acts and gets things done