interloper
in·ter·lo·per
noun
1.
someone who intrudes on the privacy or property of another without permission
Origin
From inter- + loper (“runner, rover”), as in landloper (“vagrant”) (from lope (“to leap, to jump”) (originally dialectal)). Originally spelt enterloper and used in specific sense, “unauthorized trader trespassing on privileges of chartered companies”, later general sense of “self-interested intruder” from 1630s.
Phrases
- backseat driver
- nosy parker
- peeping tom
- persona non grata
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.