Levi Yitzchok of Berditchev (1740–1809 in Berdychiv), also known as the Berdichever, was a Hasidic leader. He was the rabbi of Ryczywół, Żelechów, Pinsk and Berdychiv, for which he is best known. He was one of the main disciples of the Maggid of Mezritch, and of his disciple Rabbi Shmelke of Nikolsburg, whom he succeeded as rabbi of Ryczywół.Rabbi Levi Yitzchok was known to have a very close relationship[clarification needed] with the famous Rabbi Schneur Zalman of Liadi, the first Chabad Rebbe.Rabbi Nachman of Breslov called him the Peér (glory) of Israel.