Acts 13:23 - Of this man's seed hath God according to his promise raised unto Israel a Saviour, Jesus:
The verse clearly states that God raised unto Israel (not any other nation) a Savior whose name is Jesus. So this means that Jesus was sent only to save the lost sheep of the house of Israel...
Romans 9:3-4 states:
3 For I could wish that myself were accursed from Christ for my brethren, my kinsmen according to the flesh:
4 Who are Israelites; to whom pertaineth the adoption, and the glory, and the covenants,and the giving of the law, and the service of God, and the promises;
This is...