I Corinthians 5: 9-12
I wrote to you in my letter not to associate with sexually immoral people— not at all meaning the people of this world who are immoral, or the greedy and swindlers, or idolaters. In that case you would have to leave this world. But now I am writing to you that you must not associate with anyone who claims to be a brother or sister but is sexually immoral or greedy, an idolater or slanderer, a drunkard or swindler. Do not even eat with such people.
What business is it of mine to judge those outside the church? Are you not to judge those inside? God will judge those outside. “Expel the wicked person from among you.”
This passage provides two great points for discussion. The first is that there is a distinction between those who are joined to the church and those who are of this world. In order to “expel” there must be a physical group from which this “wicked person” is no longer granted admittance. This expelling includes that he is no longer to be associated with as a member of this community or welcomed to sup at the table with this community. The person is not expelled by believers from being a believer, but expelled from the church, a local community of joined believers. Read more