UNCHURCH
excommunicate, unchurch, curse
(verb) exclude from a church or a religious community; “The gay priest was excommunicated when he married his partner”
Source: WordNet® 3.1
Etymology
Verb
unchurch (third-person singular simple present unchurches, present participle unchurching, simple past and past participle unchurched)
(transitive) To expel from membership of a congregation or church; to excommunicate.
Source: Wiktionary
Un*church", v. t. Etym: [1st pref. un- + church.]
1. To expel, or cause to separate, from a church; to excommunicate.
Sir M. Hale.
2. To deprive of the character, privileges, and authority of a
church. South.
Source: Webster’s Unabridged Dictionary 1913 Edition