/ˌɛkskəˌmjuːnɪˈkeɪʃən/ – noun
Definition: việc rút phép thông công.
A more thorough explanation: Excommunication is a formal ecclesiastical censure that excludes a person from the communion of the church, usually as a penalty for some serious offense.
Example: The church council decided to issue a decree of excommunication against the member who had violated the church’s teachings.