Leviticus 22:10

There shall no stranger eat of the holy things. A tenant of a priest, or a hired servant, shall not eat of the holy thing.

1 Samuel 21:6

And the priest gave him holy bread. For there was no bread there but the Bread of the Presence that was taken from before Jehovah, in order to put hot bread in on 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, nor for those 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 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 the priest gave him holy bread. For there was no bread there but the Bread of the Presence that was taken from before Jehovah, in order to put hot bread in on 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, nor 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.