1 Corinthians 5:10-11 NIV

10 not at all meaning the people of this world1 who are immoral, or the greedy and swindlers, or idolaters. In that case you would have to leave this world.

References for 1 Corinthians 5:10

11 But now I am writing you that you must not associate with anyone who calls himself a brother2 but is sexually immoral or greedy, an idolater3 or a slanderer, a drunkard or a swindler. With such a man do not even eat.4

References for 1 Corinthians 5:11