'Service' in the Bible

Now because we are in the service of the palace, and it is not fitting for us to see the king’s dishonor, therefore we have sent and informed the king,

Then they appointed the priests to their divisions and the Levites in their orders for the service of God in Jerusalem, as it is written in the book of Moses.

Also the utensils which are given to you for the service of the house of your God, deliver in full before the God of Jerusalem.

and 220 of the temple servants, whom David and the princes had given for the service of the Levites, all of them designated by name.