Answer: imposer

AnswerCrossword Clue
IMPOSER

Unwanted guest, probably

IMPOSER

Unwanted guest, say

IMPOSER

Drop-in visitor, maybe

IMPOSER
Intrusive one
IMPOSER
Obtruder.
IMPOSERToo-demanding person.
IMPOSERObtrusive one
IMPOSERButtinsky's broken promise (7)
IMPOSEROne forcing himself on others