Answer: intruder

AnswerCrossword Clue
INTRUDERTarget of a guard dog's growls
INTRUDERUninvited visitor
INTRUDERButtinsky
INTRUDEREvoker of guard dog growls
INTRUDER"... in the Dust" (William Faulkner novel)
INTRUDEREvil Otto, in the video game Berzerk
INTRUDERInterloper.
INTRUDERFaulkner's "... in the Dust"
INTRUDERUnwelcome visitor
INTRUDERAlarm triggerer
intruderto come in without welcome
intruderto thrust in
intruderone who intrudes (to thrust or force oneself in)