According to the most authoritative online etymological dictionary of the English language – etymonline.com – outsider is a word that has been circulating since the 1800s with this meaning: “one who is on the outside” of a boundary, barrier, etc.
Again according to the prestigious etymological dictionary, the root of outsider is the word “outside” (from out + side).
Outsider therefore is someone or something “outside, to the side.”
In Foreigners Everywhere, a title borrowed from the 60th Venice Art Biennale, the word outsider denotes a project “outside, to the side” with respect to the famous exhibition event.
The project consists of three parts: