Leviticus 22:10

“No one outside a priest’s family is to eat the holy offering. A foreigner staying with a priest or a hired hand is not to eat the holy offering.

1 Samuel 21:6

So the priest gave him the consecrated bread, for there was no bread there except the bread of the Presence that had been removed from the presence of the Lord. When the bread was removed, it had been replaced with warm bread.

Matthew 12:4

how he entered the house of God, and they ate the sacred bread, which is not lawful for him or for those with him to eat, but only for the priests?

Exodus 29:33

They must eat those things by which atonement was made at the time of their ordination and consecration. An unauthorized person must not eat them, for these things are holy.

Treasury of Scripture Knowledge

Summary

There shall no stranger eat of the holy thing: a sojourner of the priest, or an hired servant, shall not eat of the holy thing.

The word zar, a stranger, does not mean one of another nation, a foreigner, which is expressed by hechar, but one who is not of the seed of aaron, or does not belong to his family

General references

Bible References

The word zar, a stranger, does not mean one of another nation, a foreigner, which is expressed by hechar, but one who is not of the seed of aaron, or does not belong to his family

1 Samuel 21:6
So the priest gave him the consecrated bread, for there was no bread there except the bread of the Presence that had been removed from the presence of the Lord. When the bread was removed, it had been replaced with warm bread.
Matthew 12:4
how he entered the house of God, and they ate the sacred bread, which is not lawful for him or for those with him to eat, but only for the priests?

General references

Exodus 12:45
A temporary resident or hired hand may not eat the Passover.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.