Matthew 18:17

If he refuses to listen to them, speak to the Church; and, if he also refuses to listen to the Church, treat him as you would a Gentile or a tax-gatherer.

John 9:22

His parents spoke in this way because they were afraid of the Jews; for the Jews had already agreed that, if any one should acknowledge Jesus as the Christ, he should be expelled from their synagogues.

John 9:34

"You," they retorted, "were born totally depraved; and are you trying to teach us?" So they expelled him.

John 16:2

They will expel you from their Synagogues; indeed the time is coming when any one who kills you will think that he is making an offering to God.

1 Corinthians 5:13

While God judges those who are outside? 'Put away the wicked man from among you.'

Treasury of Scripture Knowledge

Summary

And that whosoever would not come within three days, according to the counsel of the princes and the elders, all his substance should be forfeited, and himself separated from the congregation of those that had been carried away.

Bible References

Himself separated

Matthew 18:17
If he refuses to listen to them, speak to the Church; and, if he also refuses to listen to the Church, treat him as you would a Gentile or a tax-gatherer.
John 9:22
His parents spoke in this way because they were afraid of the Jews; for the Jews had already agreed that, if any one should acknowledge Jesus as the Christ, he should be expelled from their synagogues.
John 16:2
They will expel you from their Synagogues; indeed the time is coming when any one who kills you will think that he is making an offering to God.
1 Corinthians 5:13
While God judges those who are outside? 'Put away the wicked man from among you.'