'Themselves' in the Bible

So the priests and the Levites consecrated themselves to bring up the ark of the Lord God of Israel.

When the sons of Ammon saw that they had made themselves odious to David, Hanun and the sons of Ammon sent 1,000 talents of silver to hire for themselves chariots and horsemen from Mesopotamia, from Aram-maacah and from Zobah.

So they hired for themselves 32,000 chariots, and the king of Maacah and his people, who came and camped before Medeba. And the sons of Ammon gathered together from their cities and came to battle.

The sons of Ammon came out and drew up in battle array at the entrance of the city, and the kings who had come were by themselves in the field.

Now when Joab saw that the battle was set against him in front and in the rear, he selected from all the choice men of Israel and they arrayed themselves against the Arameans.

But the remainder of the people he placed in the hand of Abshai his brother; and they arrayed themselves against the sons of Ammon.

Now Ornan turned back and saw the angel, and his four sons who were with him hid themselves. And Ornan was threshing wheat.