INTERLOPER
Source: 566, 567
interloper. Interloper, n. one who interferes wrongfully
---
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. The untrained man, . . . the interloper as to the professions. I. Taylor.