'Up building' in the Bible

So let us keep on pursuing the things that make for peace and our mutual upbuilding.

Each one of us must practice pleasing his neighbor, to help in his immediate upbuilding for his eternal good.

But whoever prophesies is speaking to men for their upbuilding. encouragement, and comfort.

So, as you are ambitious for spiritual gifts, you must keep trying to excel for the upbuilding of the church.

Then what is our conclusion, brothers? When you meet together, everybody has a song, something to teach, a revelation, an ecstatic utterance, or an explanation of one. It must all be for the upbuilding of all.