'Foreign' in the Bible

When she bore a son, Moses named him Gershom, for he said, "I have become a resident foreigner in a foreign land."

and her two sons, one of whom was named Gershom (for Moses had said, "I have been a foreigner in a foreign land"),

If she does not please her master, who has designated her for himself, then he must let her be redeemed. He has no right to sell her to a foreign nation, because he has dealt deceitfully with her.