They are to help you and take care of the responsibilities of the Tent of Meeting, doing all the work at the Tent, but they are not allowed to be with you during your priestly ministry.
When it's time to move the Tabernacle, the Levites shall take it down, and when it's time to make camp, the Levites shall put it up. Any outsider who goes near it must be put to death.
But the Levites are to set up their camp around the Tabernacle of the Testimony to prevent anyone from making me angry with the Israelites. The Levites are responsible for looking after the Tabernacle of the Testimony.”
They will take care of your responsibilities and those relating to the Tent, but they must not come too close to the sacred objects of the sanctuary or the altar, otherwise they will die, and you will too.
From the Israelites half share, take one out of every fifty people, cattle, donkeys, or sheep, or other animals, and give them to the Levites who take care of the Lord's Tabernacle.”
They can still help their fellow Levites in their assignments, but they are not to do the actual work themselves. These are the arrangements in the case of the Levites.”
But God killed some of the people of Beth-shemesh because they looked inside the Ark of the Lord. He killed seventy, and the people mourned deeply because the Lord had killed so many.