1 Corinthians 5;1
a man in the church had his Dad's wife.
Paul said: Ex-communicate him, until he repents.
Certain sins carry the DEATH penalty, in the OT. Such as Adultery, murder, homo-sex, kidnapping, etc
Other sins do not carry the DEATH penalty: lying, stealing, fornication, etc
Some sins require ex-communication. Other sins do not.
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I am required, by God, to do some kind of "judgement" to exercise Church discipline. And Biblical separation from evil. And ex-communication.
dennis777