Found 2 items, similar to interloper.
English → English (WordNet) Definition: interloper interloper n : someone who intrudes on the privacy or property of another without permission [syn: intruder, trespasser]
English → English (gcide) Definition: Interloper Interloper \In"ter*lo`per\ (?; 277), n. [Pref. inter- + D. looper a runner, fr. loopen to run; akin to E. leap. See Leap, and cf. Elope.] One who interlopes; one who unlawfully intrudes upon a property, a station, or an office; one who interferes wrongfully or officiously. [1913 Webster] The untrained man, . . . the interloper as to the professions. --I. Taylor. [1913 Webster]