Insider

Insider
Coined by	unknown
Wherecoined	unknown
Status	Depricated
Date coined	unknown
Part of Speech	noun
Community used by	multiple
Synonyms	Headmate, Alter

Insider is a term meaning someone inside a multiple system. At one time it was generally preferred over alter but now has fallen out of favor, with headmate largely taking its place. Not to be confused with insourced.