navy man vs striker

navy man and striker both are nouns.

Word	Noun	Adjective	Verb	Adverb
navy man	Yes	No	No	No
striker	Yes	No	No	No

As nouns, striker is a hyponym of navy man; that is, striker is a word with a more specific, narrower meaning than navy man:

Other hyponyms of navy man include coastguardsman, Navy SEAL, SEAL, submariner.

navy man (noun)	striker (noun)
a serviceman in the navy	the part of a mechanical device that strikes something
	an employee on strike against an employer
	someone receiving intensive training for a naval technical rating
	a forward on a soccer team
	someone who hits