Psalms 22:28

The kingdom is the Lord's - That universal sway of the Gospel which in the New Testament is called the kingdom of God; in which all men shall be God's subjects; and righteousness, peace, and joy in the Holy Ghost, be universally diffused.

For the kingdom is the Lord's - The dominion belongs of right to Yahweh, the true God. See Matthew 6:13; Psalm 47:7-8.

And he is the governor among the nations - He is the rightful governor or ruler among the nations. This is an assertion of the absolute right of Yahweh to reign over the nations of the earth, and the expression of an assurance on the part of the Messiah that, as the consequence of his work, this empire of Yahweh over the nations would be actually established. Compare Daniel 7:13-14, note; Daniel 7:27, note; and 1 Corinthians 15:24-28, notes.

22:28 For - This is added as a reason, why the Gentiles should be converted, because God is not only God and the Lord of the Jews, but also of the Gentiles, and of all nations.