'Nationality' in the Bible

So Joseph, who was called Barnabas by the apostles (which is translated "son of encouragement"), a Levite of Cyprus by nationality,

He said to them, “You know that it is unlawful for a Jewish man to associate with or befriend a Gentile, or to visit him; and yet God has shown me that I am not to call anyone common or [ceremonially] unclean.