וַהֲקִמֹתִ֨י עֲלֵיהֶ֜ם רֹעֶ֤ה אֶחָד֙ וְרָעָ֣ה אֶתְהֶ֔ן אֵ֖ת עַבְדִּ֣י דָוִ֑יד ה֚וּא יִרְעֶ֣ה אֹתָ֔ם וְהֽוּא־יִהְיֶ֥ה לָהֶ֖ן לְרֹעֶֽה׃
And I will set up one shepherd over them, and he shall feed them, even My servant David; he shall feed them, and he shall be their shepherd.
Read halakhic rulings (Jewish law) on Ezekiel 34:23: and classical halakhic sources.