Leviticus 22:10

"'There shall no stranger eat of the hallowed things, neither a guest of the priests, or a hired servant.

1 Samuel 21:6

And so the priest gave him hallowed bread, for there was none other bread there save showbreads that were taken from before the LORD; to put fresh bread there the day that it was taken away.

Matthew 12:4

How he entered into the house of God, and ate the hallowed loaves, which were not lawful for him to eat, neither for them which were with him, but only for the priests.

Exodus 29:33

And they shall eat them, because the atonement was made therewith to fill their hands and to sanctify them: but a stranger shall not eat thereof, 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
And so the priest gave him hallowed bread, for there was none other bread there save showbreads that were taken from before the LORD; to put fresh bread there the day that it was taken away.
Matthew 12:4
How he entered into the house of God, and ate the hallowed loaves, which were not lawful for him to eat, neither for them which were with him, but only for the priests.

General references

Exodus 12:45
A stranger and a hired servant shall not eat thereof.