Why did Jesus Christ minister to the Jews?

Jesus Christ ministered to the Jews, the people of circumcision, for the truth of God. His purpose was to confirm the promises made to the fathers—Abraham, Isaac, and Jacob—which are grounded in the Abrahamic Covenant of Genesis 12.

Les explains that Jesus Christ was a minister of the circumcision, meaning He ministered to the Jews. He did this for the truth of God, to confirm the promises made to the fathers, Abraham, Isaac, and Jacob. Les connects this to Genesis 12 and the Abrahamic Covenant. He also notes that while the Old Testament does not contain the doctrine of salvation—that Christ died, was buried, and rose again—the seeds of these truths go all the way back to Genesis 3.

Romans 15:8

Now I say that Jesus Christ was a minister of the circumcision for the truth of God, to confirm the promises made unto the fathers:

Who was Jesus Christ a minister to?

Jesus Christ was a minister to the circumcision, which refers to the Jews. He ministered for the truth of God in order to confirm the promises made unto the fathers—Abraham, Isaac, and Jacob. This teaching is drawn from the provided context.