youngster vs shaver

youngster and shaver both are nouns.

Word	Noun	Adjective	Verb	Adverb
youngster	Yes	No	No	No
shaver	Yes	No	No	No

As nouns, youngster and shaver are synonyms defined as:

Other synonyms of youngster include child, fry, kid, minor, nestling, nipper, small fry, tiddler, tike, tyke.

youngster (noun)	shaver (noun)
a young person of either sex	a razor powered by an electric motor
	a young person of either sex
	an adult male who shaves