striker vs sailor boy

striker and sailor boy both are nouns.

Word	Noun	Adjective	Verb	Adverb
striker	Yes	No	No	No
sailor boy	Yes	No	No	No

As nouns, sailor boy is a hypernym of striker; that is, sailor boy is a word with a broader meaning than striker:

Other hypernyms of striker include bluejacket, navy man, sailor.

striker (noun)	sailor boy (noun)
the part of a mechanical device that strikes something	a serviceman in the navy
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