Ezra, Hebrew ʿezraʾ, (flourished 4th century bc, Babylon and Jerusalem), religious leader of the Jews who returned from exile in Babylon, reformer who reconstituted the Jewish community on the basis of the Torah (Law, or the regulations of the first five books of the Old Testament). His work helped make Judaism a religion in which law was central, enabling the Jews to survive as a community …
https://www.britannica.com/biography/Ezra-Hebrew-religious-leader

