soldier of fortune vs mercenary

soldier of fortune and mercenary both are nouns.

Word	Noun	Adjective	Verb	Adverb
soldier of fortune	Yes	No	No	No
mercenary	Yes	Yes	No	No

As nouns, soldier of fortune and mercenary are synonyms defined as:

soldier of fortune and mercenary: a person hired to fight for another country than their own

soldier of fortune (noun)	mercenary (noun)
a person hired to fight for another country than their own	a person hired to fight for another country than their own

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