Matthew 18:17
and if he will not hear them, tell the assembly; and if he will not hear the assembly, let him be to you as a gentile and a publican.
John 9:22
His parents said these things because they feared the Jews; for already the Jews had agreed that if any one confessed him to be Christ, he should be put out of the synagogue;
John 9:34
They answered and said to him, You were born entirely in sins, and do you teach us? And they cast him without.
John 16:2
They shall put you out of the synagogues; but the hour is coming when every one that kills you will think he renders God a service.
1 Corinthians 5:13
but those without, God judges. Remove therefore the evil man from among you.