[Uncle Chip]

His people are not the disbelieving Jews whom Paul laments. His people are those God has graced with faith.

That's not so. Paul is lamenting over his people Israel because he too was an Israelite.

[Dr. Eckleburg]

“His people” was not referring to Paul’s people but to the quoted verse which speaks of God’s people — “Hath God cast away his people? God forbid...”