to keep

Numbers 1:53
But the Levites are to camp around the tabernacle of the Testimony and watch over it, so that no wrath shall fall on the Israelite congregation. So the Levites are responsible for the tabernacle of the Testimony."

Numbers 3:32
The chief of the leaders of the Levites was Eleazar son of Aaron the priest; he oversaw those responsible for the duties of the sanctuary.

Numbers 18:4
They are to join you and attend to the obligations of the Tent of Meeting, doing all the work at the Tent; but no outsider may come near you.

Numbers 31:30
From the Israelites' half, take one out of every fifty, whether persons, cattle, donkeys, sheep, or other animals, and give them to the Levites who keep charge of the tabernacle of the LORD."

1 Chronicles 23:32
So the Levites were to carry out the responsibilities for the Tent of Meeting and the Holy Place, and, under their brothers the descendants of Aaron, the service of the house of the LORD.

1 Chronicles 26:20-29
Now their fellow Levites were in charge of the treasuries of the house of God and the treasuries of the dedicated things. . . .

Ezekiel 44:8, 11
And you have not kept charge of My holy things, but have appointed others to keep charge of My sanctuary for you.' . . .

and shall

1 Timothy 4:15
Be diligent in these matters and absorbed in them, so that your progress will be evident to all.