Outsider
From BiblePortal Wikipedia
Outsider [1]
(1): ( n.) A locksmith's pinchers for grasping the point of a key in the keyhole, to open a door from the outside when the key is inside.
(2): ( n.) One not belonging to the concern, institution, party, etc., spoken of; one disconnected in interest or feeling.
(3): ( n.) A horse which is not a favorite in the betting.