Warok is one of the dancers in the kesenian reog, usually someone who played a warok has a sinister appearance to face a beard and wearing black clothes.
In another sense, as the warok also given to people who have knowledge or control of Javanese science. Meanwhile, according to an article from Wikipedia about Reog Ponorogo, warok is a figure that has a sacred commitment to give guidance and nothing ask for return.
Warok is wong kang sugih wewarah, or if in the English language means a person who has a lot of science to be taught to others fantasize about the good life.
Warok is synonymous with the art of Reog Ponorogo, which is one of the nation's cultural wealth of Indonesia.