apostate

Guilty of apostasy.

We must punish this apostate priest.

VVho can impair thee, mighty King, or bound / Thy Empire? eaſily the proud attempt / Of Spirits apoſtat and thir Counſels vaine / Thou haſt repeld, vvhile impiouſly they thought / Thee to diminiſh, and from thee vvithdravv / The number of thy vvorſhippers.

A person who has renounced a religion or faith.

One who, after having received sacred orders, renounces his clerical profession.

One who has renounced a political party, a cause, etc.

But the most politically damaging blow came from a late-breaking apostate: Mr. Clooney, who just weeks earlier had spent time with Mr. Biden and helped deliver $28 million to his campaign at a Los Angeles fund-raiser.