Leviticus 22:10

"'No stranger shall eat of the holy thing: a foreigner living with the priests, or a hired servant, shall not eat of the holy thing.

1 Samuel 21:6

So the priest gave him holy [bread]; for there was no bread there but the show bread, that was taken from before Yahweh, 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 was not lawful for him to eat, neither for those who were with him, but only for the priests?

Exodus 29:33

They shall eat those things with which atonement was made, to consecrate and sanctify them: but a stranger shall not eat of it, 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 holy [bread]; for there was no bread there but the show bread, that was taken from before Yahweh, 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 was not lawful for him to eat, neither for those 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.