stalker vs interloper

stalker and interloper both are nouns.

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

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

stalker: someone who prowls or sneaks about; usually with unlawful intentions
interloper: someone who intrudes on the privacy or property of another without permission

Other hypernyms of stalker include intruder, trespasser.

stalker (noun)	interloper (noun)
someone who stalks game	someone who intrudes on the privacy or property of another without permission
someone who walks with long stiff strides
someone who prowls or sneaks about; usually with unlawful intentions