Exodus 12:45
"A foreigner and an hired servant shall not eat thereof."
Cross References (ranked by relevance)
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.
Ephesians 2:12
That at that time ye were without Christ, being aliens from the commonwealth of Israel, and strangers from the covenants of promise, having no hope, and without God in the world: