striper vs serviceman

striper and serviceman both are nouns.

Word	Noun	Adjective	Verb	Adverb
striper	Yes	No	No	No
serviceman	Yes	No	No	No

As nouns, serviceman is a hypernym of striper; that is, serviceman is a word with a broader meaning than striper:

striper: a serviceman who wears stripes on the uniform to indicate rank or years of service
serviceman: someone who serves in the armed forces; a member of a military force

Other hypernyms of striper include man, military man, military personnel.

striper (noun)	serviceman (noun)
marine food and game fish with dark longitudinal stripes; migrates upriver to spawn; sometimes placed in the genus Morone	someone who serves in the armed forces; a member of a military force
caught along the Atlantic coast of the United States
a serviceman who wears stripes on the uniform to indicate rank or years of service