risk taker vs venturer

risk taker and venturer both are nouns.

Word	Noun	Adjective	Verb	Adverb
risk taker	Yes	No	No	No
venturer	Yes	No	No	No

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

risk taker: someone who risks loss or injury in the hope of gain or excitement
venturer: a person who enjoys taking risks

Other hypernyms of risk taker include adventurer.

risk taker (noun)	venturer (noun)
someone who risks loss or injury in the hope of gain or excitement	a person who enjoys taking risks
	a merchant who undertakes a trading venture (especially a venture that sends goods overseas)