penetrator vs interloper

penetrator and interloper both are nouns.

Word	Noun	Adjective	Verb	Adverb
penetrator	Yes	No	No	No
interloper	Yes	No	No	No

As nouns, interloper is a hypernym of penetrator; that is, interloper is a word with a broader meaning than penetrator:

penetrator: an intruder who passes into or through (often by overcoming resistance)
interloper: someone who intrudes on the privacy or property of another without permission

Other hypernyms of penetrator include intruder, trespasser.

penetrator (noun)	interloper (noun)
an intruder who passes into or through (often by overcoming resistance)	someone who intrudes on the privacy or property of another without permission