Rom 16:26, Rom 9:24-26, Gal 3:8, Gen 12:3
In the Old Testament, it was prophesied that God would also call the Gentiles as His children. (Rom 9:24-26, Gal 3:8, Gen 12:3)
Rom 9:24 Even us, whom he hath called, not of the Jews only, but also of the Gentiles? 25 As he saith also in Osee, I will call them my people, which were not my people; and her beloved, which was not beloved. 26 And it shall come to pass, that in the place where it was said unto them, Ye are not my people; there shall they be called the children of the living God.
Gal 3:8 And the scripture, foreseeing that God would justify the heathen through faith, preached before the gospel unto Abraham, saying, In thee shall all nations be blessed.
Gen 12:3 And I will bless them that bless thee, and curse him that curseth thee: and in thee shall all families of the earth be blessed.
Our mission is to get all Gentiles to believe in Jesus as the Christ. (Rom 1:5, Rom 16:26)
Rom 1:5 By whom we have received grace and apostleship, for obedience to the faith among all nations, for his name:
Rom 16:26 But now is made manifest, and by the scriptures of the prophets, according to the commandment of the everlasting God, made known to all nations for the obedience of faith: