Exilarch
leader of the Jewish community in Babylon during the era of the Parthians, Sassanids and Abbasids up until the Mongol invasion of Baghdad in 1258, with intermittent gaps
en-US/ˈɛɡzəˌlɑɹk/
leader of the Jewish community in Babylon during the era of the Parthians, Sassanids and Abbasids up until the Mongol invasion of Baghdad in 1258, with intermittent gaps