1 Corinthians 5:11-13 11 But now I am writing to you that you must not associate with anyone who claims to be a brother or sister[a] but is sexually immoral or greedy, an idolater or slanderer, a drunkard or swindler. Do not even eat with such people.
2 John 1:10-11 10 If anyone comes to you and does not bring this teaching, do not receive him into your house, and do not give him a greeting; 11 for the one who gives him a greeting participates in his evil deeds.
You can pretend I did not answer, but we know the truth.
They are an exact answer to your question, your denial is nothing but a smoke screen.