lone wolf vs troglodyte

lone wolf and troglodyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
lone wolf	Yes	No	No	No
troglodyte	Yes	No	No	No

As nouns, troglodyte is a hyponym of lone wolf; that is, troglodyte is a word with a more specific, narrower meaning than lone wolf:

Other hyponyms of lone wolf include hermit, recluse, solitary, solitudinarian.

lone wolf (noun)	troglodyte (noun)
a person who avoids the company or assistance of others	someone who lives in a cave
	one who lives in solitude