3 John 3

it does not rejoice in unrighteousness, but rejoices with the truth;

I rejoiced greatly to find some of your children walking in truth, just as we received commandment from the Father.

Beloved, you are acting faithfully in whatever work you do for the brothers, and are doing this though they are strangers;

For this reason, if I come, I will bring to remembrance his deeds which he does, unjustly disparaging us with wicked words. And not satisfied with this, he himself does not welcome the brothers either, and he forbids those who want to do so and puts them out of the church.