'Doing' in the Bible

So far from doing this, you yourselves do wrong and take your brothers' property.

Circumcision is nothing, and its opposite is nothing, but only doing the orders of God is of value.

But if, in any man's opinion, he is not doing what is right for his virgin, if she is past her best years, and there is need for it, let him do what seems right to him; it is no sin; let them be married.

And in this way, doing evil to the brothers, and causing trouble to those whose faith is feeble, you are sinning against Christ.

But if any man will not be ruled in this question, this is not our way of doing things, and it is not done in the churches of God.

Now if Timothy comes, see that he is with you without fear; because he is doing the Lord's work, even as I am: