Leviticus 22:10

No stranger shall eat of the holy thing; a guest of the priest or a hired servant shall not eat of the holy thing.

1 Samuel 21:6

So the priest gave him the sacred bread, for there was no bread there but the showbread that had been taken from before the LORD to put hot bread in the day when it was taken away.

Matthew 12:4

how he entered into the house of God and ate the showbread, which was not lawful for him to eat, neither for those who were with him, but only for the priests?

Exodus 29:33

And they shall eat those things with which they were reconciled, to fill their hands to be sanctified; but a stranger shall not eat thereof because they are holiness.

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 sacred bread, for there was no bread there but the showbread that had been taken from before the LORD to put hot bread in the day when it was taken away.
Matthew 12:4
how he entered into the house of God and ate the showbread, which was not lawful for him to eat, neither for those who were with him, but only for the priests?

General references

Exodus 12:45
The foreigner and the hired servant shall not eat of it.