obtruder

From obtrude +‎ -er.

obtruder (plural obtruders)

1. Someone who obtrudes.
   • 1661, Robert Boyle, “(please specify the page)”, in The Sceptical Chymist: or Chymico-physical Doubts & Paradoxes, […], London: […] J. Cadwell for J. Crooke, […], →OCLC:

     they will also do Justice to the Inventors or Publishers of true Experiments, as well as upon the Obtruders of false ones

• “obtruder”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.