'Involved' in the Bible
The Gershonites’ duties at the tent of meeting involved the tabernacle, the tent, its covering, the screen for the entrance to the tent of meeting,
Their duties involved the ark, the table, the lampstand, the altars, the sanctuary utensils that were used with these, and the screen—and all the work relating to them.
The assigned duties of Merari’s descendants involved the tabernacle’s supports, crossbars, posts, bases, all its equipment, and all the work related to these,
And the whole community of the Israelites and the resident foreigner who lives among them will be forgiven, since all the people were involved in the unintentional offense.
They are to take care of your concerns and all the responsibilities involved with the tent. But they're not to approach the holy vessels or the altar. That way, neither you nor they will die.
They are to join you to maintain services related to the Tent of Meeting, for all the responsibilities involved with the tent. But no unauthorized person is to approach you.