Abraham Yehudah Khein was a Hasidic Rabbi

Rabbi

In Judaism, a rabbi is a teacher of Torah. This title derives from the Hebrew word רבי , meaning "My Master" , which is the way a student would address a master of Torah...

 in the Ukrainian town Nyezhin and a pacifist anarchist. Khein belonged to the Hasidic Chabad

Chabad

Chabad or Chabad-Lubavitch is a major branch of Hasidic Judaism.Chabad may also refer to:*Chabad-Strashelye, a defunct branch of the Chabad school of Hasidic Judaism*Chabad-Kapust or Kapust, a defunct branch of the Chabad school of Hasidic Judaism...

 tradition by family descent and spiritual training.

He was eloquently committed to pacifism and non-violence during the days when the Jewish community in Palestine

Palestine

Palestine is a conventional name, among others, used to describe the geographic region between the Mediterranean Sea and the Jordan River, and various adjoining lands....

 was battling the Arabs and the British. He tried to relate his readings of Leo Tolstoy

Leo Tolstoy

Lev Nikolayevich Tolstoy was a Russian writer who primarily wrote novels and short stories. Later in life, he also wrote plays and essays. His two most famous works, the novels War and Peace and Anna Karenina, are acknowledged as two of the greatest novels of all time and a pinnacle of realist...

 and Pyotr Kropotkin to Kabbalah and Hasidism. Rabbi Khein deeply respected Kropotkin, whom he called "the Tzadik

Tzadik

Tzadik/Zadik/Sadiq is a title given to personalities in Jewish tradition considered righteous, such as Biblical figures and later spiritual masters. The root of the word ṣadiq, is ṣ-d-q , which means "justice" or "righteousness", also the root of Tzedakah...

of the new world", whose "soul is as pure as crystal"

Rabbi Khein's most known work is his three-volume collection of essays, ("In the Kingdom of Judaism").