1)  Vocabulary - OT = goy,  NT = ethnos.

2)  Gentile = Nations, races, peoples; Genesis 10:5.

3)  Gentile = Nations, races, peoples apart from Israel; Exodus 19:16,
     Rev. 18:24.

4)  Gentile = unbeliever; Eph. 4:17-19, 1 Thes. 4:5 and 1 Peter 2:12.