Paul implies that God will treat all people the same. You can make this explicit in your translation. Alternate translation: "In this way, God treats the Jews and the non-Jews the same" (See: [[rc://en/ta/man/translate/figs-explicit]])
Here "he is rich" means that God blesses richly. You can make this explicit in your translation. Alternate translation: "he richly blesses all who trust in him" (See: [[rc://en/ta/man/translate/figs-explicit]])