'Muster' in the Bible

So here's my advice: Muster everybody from one end of the country to the other! You'll have an army in number like the sand on the seashore! Then you'll go into battle!

Meanwhile, David ordered Amasa, "Muster the army of Judah here within three days, and be here yourself!"

But when Amasa went out to muster the army of Judah, he delayed to act within the time allotted to him.