Interloper
Pronunciation
- UK IPA: /ɪntəˈləʊpə/
Origin
1590s, from - + loper("runner, rover"), as in landloper ("vagrant") (from Dutch) or lope ("to leap, to jump") (originally dialectical). Originally spelt enterloper and used in specific sense “unauthorized trader trespassing on privileges of chartered companiesâ€, later general sense of “self-interested intruder†from 1630s.
Online Etymology Dictionary