'Us' in the Bible

So it is right for us to take in such men as guests, so that we may take our part in the work of the true faith.

I sent a letter to the church, but Diotrephes, whose desire is ever to have the first place among them, will not have us there.

So if I come, I will keep in mind the things he does, talking against us with evil words: and as if this was not enough, he does not take the brothers into his house, and those who are ready to take them in, he keeps from doing so, putting them out of the church if they do.