1) Bothersome butter-in 2) Busybody 3) Interfering person 4) Nosy Nate 5) Nosy sort 6) Officious one 7) One who interferes 8) Persona non grata 9) Short story by Philip K Dick 10) Unwelcome person 11) Yenta Found on https://www.crosswordclues.com/clue/meddler
[short story] `Meddler` is a science fiction short story by Philip K. Dick. It was first published in Future Science Fiction, October, 1954 with illustration by Virgil Finlay. Dick had submitted many short stories to magazines and made approximately fifteen sales before becoming a client of the Scott Meredith Literary Agency. This was his s... Found on http://en.wikipedia.org/wiki/Meddler_(short_story)
Med'dler noun One who meddles; one who interferes or busies himself with things in which he has no concern; an officious person; a busybody. Found on http://www.encyclo.co.uk/webster/M/38