'Strengthening' in the Bible

So Tilgath-pilneser king of Assyria came against him and afflicted him instead of strengthening him.

Now an angel from heaven appeared to Him, strengthening Him.

strengthening the souls of the disciples, encouraging them to continue in the faith, and saying, “Through many tribulations we must enter the kingdom of God.”

And he was traveling through Syria and Cilicia, strengthening the churches.

And having spent some time there, he left and passed successively through the Galatian region and Phrygia, strengthening all the disciples.