'Bestir' in the Bible

And let it be, when thou hearest the sound of a going in the tops of the mulberry trees, that then thou shalt bestir thyself: for then shall the LORD go out before thee, to smite the host of the Philistines.

Then, if you are pure and upright,Surely now He will awaken for youAnd restore your righteous place.

Do this now, my son, and release yourself [from the obligation];Since you have come into the hand of your neighbor,Go humble yourself, and plead with your neighbor [to pay his debt and release you].

Let the nations bestir themselves, and come up to the valley of Jehoshaphat; for there will I sit to judge all the nations round about.