Fromcome out +-er, referring to a passage in Corinthians in the Bible: "come out from among them, and be ye separate".
come-outer (pluralcome-outers)
- One whoabandons orwithdraws from anestablishedreligion,opinion,custom,creed, etc.
Despite her family's wishes, she left Christianity, becoming acome-outer of her former faith.
- One who seeksradical political orreligiousreform.
2003, M. Louise Greene, Ph. D.,The Development of Religious Liberty in Connecticut, page144:The passage of the Act for the Support of Literature and Religion raised, as the Congregationalists ought to have known it would, a violent protest from every dissenter and from every politicalcome−outer.