ESV: They shall join you and keep guard over the tent of meeting for all the service of the tent, and no outsider shall come near you.
NIV: They are to join you and be responsible for the care of the tent of meeting—all the work at the tent—and no one else may come near where you are.
NASB: They shall join you and perform the duties of the tent of meeting, for all the service of the tent; but an unauthorized person shall not come near you.
CSB: They are to join you and guard the tent of meeting, doing all the work at the tent, but no unauthorized person may come near you.
NLT: The Levites must join you in fulfilling their responsibilities for the care and maintenance of the Tabernacle, but no unauthorized person may assist you.
KJV: And they shall be joined unto thee, and keep the charge of the tabernacle of the congregation, for all the service of the tabernacle: and a stranger shall not come nigh unto you.
NKJV: They shall be joined with you and attend to the needs of the tabernacle of meeting, for all the work of the tabernacle; but an outsider shall not come near you.