Mussar Movement, Mussar Movement

His profoundly ethical, good-hearted and humble behavior and simple lifestyle attracted the interest of Rabbi Yisrael Salanter, then a promising young rabbi with exceptional knowledge of Jewish law. Rabbi Salanter absorbed the ways of Zundel Salant, and became the de facto founder of the Mussar movement. After tutoring Rabbi Salanter, Rabbi Yosef Zundel relocated to Jerusalem (then under Turkish rule), where he refused support from public funds and made a living in the vinegar business.

Source: Wikipedia > Mussar Movement