adventurer vs mercenary

adventurer and mercenary both are nouns.

Word	Noun	Adjective	Verb	Adverb
adventurer	Yes	No	No	No
mercenary	Yes	Yes	No	No

As nouns, mercenary is a hyponym of adventurer; that is, mercenary is a word with a more specific, narrower meaning than adventurer:

adventurer (noun)	mercenary (noun)
a person who enjoys taking risks	a person hired to fight for another country than their own
someone who travels into little known regions (especially for some scientific purpose)

adventurer (adjective)	mercenary (adjective)
	profit oriented
	serving for wages in a foreign army
	marked by materialism