Leviticus 22:10

'And no stranger doth eat of the holy thing; a settler of a priest and an hireling doth not eat of the holy thing;

1 Samuel 21:6

And the priest giveth to him the holy thing, for there was no bread there except the bread of the Presence which is turned aside from the presence of Jehovah to put hot bread in the day of its being taken away.

Matthew 12:4

how he went into the house of God, and the loaves of the presentation did eat, which it is not lawful to him to eat, nor to those with him, except to the priests alone?

Exodus 29:33

and they have eaten those things by which there is atonement to consecrate their hand, to sanctify them; and a stranger doth not eat -- for 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 giveth to him the holy thing, for there was no bread there except the bread of the Presence which is turned aside from the presence of Jehovah to put hot bread in the day of its being taken away.
Matthew 12:4
how he went into the house of God, and the loaves of the presentation did eat, which it is not lawful to him to eat, nor to those with him, except to the priests alone?

General references

Exodus 12:45
a settler or hired servant doth not eat of it;