secederEtymologyFrom secede + -er.nounOne who secedes, such as from a country or organization“But an express law included all these seceders in the general proscription; alledging, with a candour not usual, that those who assumed rank were, in fact, more criminal than such as were guilty of being born to it.”A follower of the 18th-century secession movement from the Church of Scotland.A member of the Free Presbyterian Church of Scotland.