Leviticus 22:10

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

1 Samuel 21:6

So the priest gave him hallowed bread: for there was no bread there but the show-bread, that was 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 show-bread, which it was not lawful for him to eat, neither for them who were with him, but only for the priests?

Exodus 29:33

And they shall eat those things with which the atonement was made, to consecrate and to sanctify them: but a stranger shall not eat of them, because they 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 hallowed bread: for there was no bread there but the show-bread, that was 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 show-bread, which it was not lawful for him to eat, neither for them who were with him, but only for the priests?

General references

Exodus 12:45
A foreigner, and a hired servant shall not eat of it.