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.
Cross-reference
Leviticus 21:22 clarifies that a priest with a defect may still eat the holy food — a specific exception to the general rule that outsiders cannot.
1 Samuel 21:6 recounts David eating the holy bread, which Lev 22:10 forbids for lay people — a narrative example of the law.
Matthew 12:4 explicitly cites the unlawful eating of holy bread by David, directly referencing the Levitical restriction in Lev 22:10.
Exodus 12:45 repeats the prohibition for foreigner and hired servant regarding Passover, closely matching Lev 22:10's wording.
In Exodus 29:33, the same restriction applies to the ordination offerings — only those being consecrated may eat, reinforcing that holy food is for priests alone.
Numbers 16:40 memorializes the Korah rebellion, warning that no outsider may approach the altar — same principle as the ban on outsiders eating holy food.
Ezra 2:63 applies the same law — those of doubtful priestly lineage are barred from holy food until a priest confirms their status.
Exodus 12:43 forbids foreigners from eating Passover, analogous to Lev 22:10's restriction on foreigners eating holy things.