Synonyms of interloper in English:

interloper


See US English definition of interloper

See UK English definition of interloper

See Spanish definition of intruso

noun

1‘they were a close community and could not abide interlopers’

SYNONYMS
intruder, encroacher, trespasser, invader, infiltrator, unwanted person, unwanted visitor, uninvited guest
outsider, stranger, immigrant, foreigner, alien, newcomer
informal gatecrasher