'Protecting' in the Bible

They may assist their brothers in the Tent of Meeting to keep an obligation, but they shall do no [heavy or difficult] work. Thus you shall deal with the Levites concerning their obligations.”

The rich man’s wealth is his strong city,And like a high wall [of protection] in his own imagination and conceit.

“He has brought me to his banqueting place,And his banner over me is love [waving overhead to protect and comfort me].

When the strong horses went out, they were eager to patrol the earth. And the Lord said, “Go, patrol the earth.” So they patrolled the earth [watching and protecting it].