Leviticus 22:10

"No resident alien is to eat anything sacred. Neither the visitor of the priest nor a hired laborer is to eat anything sacred.

1 Samuel 21:6

So the priest gave him consecrated bread because no bread was there except the Bread of the Presence that had been removed from the LORD's presence and replaced with hot bread on the day it was taken away.

Matthew 12:4

How is it that he went into the house of God and ate the Bread of the Presence, which was not lawful for him and his companions to eat but was reserved for the priests?

Exodus 29:33

They shall eat these things by which atonement was made at their ordination to consecrate them, but an unqualified person is not to eat because these things are holy.

Treasury of Scripture Knowledge

Summary

Leviticus 22:10

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

1 Samuel 21:6

Matthew 12:4

General references

Exodus 12:45

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

How is it that he went into the house of God and ate the Bread of the Presence, which was not lawful for him and his companions to eat but was reserved for the priests?

General references

But no temporary resident or a hired servant is to eat it.