outsider

One who is excluded from or does not belong to a group, association, or set.

One who is isolated or detached from the activities or concerns of his or her own community.

A contestant given little chance of winning; a long shot.

One who is on the outside of an inclosure, barrier, boundary, etc., literally or figuratively; one who is without.

One who is unconnected or unacquainted with the matter in question.

In horse racing, a horse not included among the favorites, or not a favorite in the betting.

plural A pair of nippers with semi-tubular jaws which can be inserted in a keyhole from the outside to turn the key.

One not belonging to the concern, institution, party, etc., spoken of; one disconnected in interest or feeling.

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.