Again, I think you are getting my situation and yours mixed up. Does God have the right to show us our wrongs and expect us to change?
And my beliefs are God's beliefs so yes, I not only have the right but as a Christian, I am supposed to help them. The following is pretty much saying, not to talk to them:
1 Corinthians 5:11
New King James Version
But now I have written to you not to keep company with anyone named a brother, who is sexually immoral, or covetous, or an idolater, or a reviler, or a drunkard, or an extortioner—not even to eat with such a person