'Performing' in the Bible

They are to take care of his needs and the needs of the whole congregation at the Tent of Meeting by performing duties at the tent.

They are to take charge of the utensils at the Tent of Meeting and meet the needs of the Israelis by performing duties on behalf of the tent.

In the numbering of every male from a month old and upward, there were 8,600, performing the duties of the sanctuary.

Now those who were to camp before the tabernacle eastward, before the tent of meeting toward the sunrise, are Moses and Aaron and his sons, performing the duties of the sanctuary for the obligation of the sons of Israel; but the layman coming near was to be put to death.

and at the age of fifty years they must retire from performing the work and may no longer work.

And will make an offering by fire unto the LORD, a burnt offering, or a sacrifice in performing a vow, or in a freewill offering, or in your solemn feasts, to make a sweet savour unto the LORD, of the herd, or of the flock:

And when thou preparest a bullock for a burnt offering, or for a sacrifice in performing a vow, or peace offerings unto the LORD: