An inquisitive, gossipy person; busybody
A giver of unwanted advice or meddler in others' affairs
One who is prone to butting in; a meddler.
A person given to intruding in other people's affairs
Find another word for interloper. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for interloper, like: meddler, trespasser, encroacher, alien, intruder, busybody, interferer, quidnunc, kibitzer, buttinsky and pragmatic.