defrock

verb

1. (literally)To divest of a frock.
2. (figuratively)To formally remove the rights and authority of a member of the clergy.

   “The defrocked priest may no longer perform rites.”

   “The Vatican has defrocked the anti-abortion US priest Frank Pavone for what it said were “blasphemous communications on social media” as well as “persistent disobedience” of his bishop.”

3. (broadly)To formally remove the rights and authority of someone, e.g. a government official or a medical practitioner.

   “There are refugees and black marketers, defrocked bankers and resistance fighters, gamblers, floozies, French colonial policemen, American and Spanish entertainers, and, eventually, Nazi officers (who in reality never set foot in Casablanca).”