1. outsider - Noun
2. outsider - Adjective
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.
A horse which is not a favorite in the betting.
Source: Webster's dictionaryWhat to an outsider will be no more than the vigorous presentation of a conviction, to an employee may be the manifestation of a determination which it is not safe to thwart. Learned Hand
As a teenager at high school, I felt like an outsider. Shawn Ashmore
Art is always criticized and always an outsider gets the blame. Ville Valo
You can be a rank insider as well as a rank outsider. Robert Frost
... conferences with open attendance are very important for the stimulation of young people or other people who are new in the field. ... The field of high-energy physics is, as you know, very strongly in the hands of a clique and it is hard for an outsider to enter. Victor Frederick Weisskopf
I've always believed that a writer has got to remain an outsider. If I was offered anything like the Nobel Prize for Literature, I'd find it an extremely difficult conflict because I'd be basically disinclined to accept. Colin Wilson