'Minister' in the Bible

Now their duties involved the ark, the table, the lampstand, the altars, and the utensils of the sanctuary with which they minister, and the screen, and all the service concerning them;

is it not enough for you that the God of Israel has separated you from the rest of the congregation of Israel, to bring you near to Himself, to do the service of the tabernacle of the Lord, and to stand before the congregation to minister to them;