obtruder

“– I have not been a treacherous listener, though a wilful obtruder – See, Mrs. Tyrold!”

Camilla

“Several molluscs admit tenants, one particular species a rotund crab; but in the case in point the wrong mansion was entered and, so to speak, the obtruder was transformed.”

Tropic Days

“It is a startling announcement of a fateful fact, an obtruder feared and unloved; it is like a clash of cymbals or call of trumpets summoning to unwelcome tasks, away from delights and dreams.”

The Wagnerian Romances

“Could the Government not be helped out of this difficulty by the Primate himself prosecuting the obtruder?”

The Letters of Queen Victoria, Vol 2 (of 3), 1844-1853 A Selection from her Majesty's correspondence between the years 1837 and 1861

“In the bravery of his nature, and the warmth of a temper constitutionally quick, he thought nothing of the strength and bulk of the insolent obtruder -- nothing of the peril of odds so unequal in a personal encounter.”

What Will He Do with It? — Volume 10

“If on the platform any person in the crowd poses you with an awkward question, should you be able rapidly to transfer your eyeglass from your right eye to your left, and fix the obtruder with a stony stare, he is so much engaged in wondering whether you can keep the glass in position, that he forgets what he asked you, and you can pass on to less dangerous topics. ”

Punch, or the London Charivari, Volume 101, October 31, 1891