This is the thing that ye shall do: a third part of you, that come in on the sabbath, of the priests and of the Levites, shall be porters of the doors;
So they came and called unto the porter of the city: and they told them, saying, We came to the camp of the Syrians, and, behold, there was no man there, neither voice of man, but the horses tied, and the asses tied, and the tents as they were.
For their office was to wait on the sons of Aaron for the service of the house of the LORD, in the courts, and in the chambers, and in the purifying of all holy things, even the work of the service of the house of God;
and a third part shall be at the king's house; and a third part at the gate of the foundation: and all the people shall be in the courts of the house of the LORD.