A Jewish religious leader or teacher of Jewish law (Hebrew term used in English).
From Hebrew 'rabbi' (my master/teacher), from 'rab' meaning great or master. The English spelling 'rabin' is less common than 'rabbi,' but appears in some historical and transliterated texts.
Rabbis don't have to be priests or perform ceremonies—they're scholars and teachers, so you can have a rabbi who's also a doctor or carpenter. In Jewish tradition, anyone learned enough in Torah can be a rabbi, which is very different from clergy in Christianity.
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