Dhyāna in Buddhism the Japanese Rinzai school, but it also occurs in other schools or branches of Zen depending on the teaching line. The Zen student's mastery of a given kōan is presented to the teacher in a private interview (referred to in Japanese as "dokusan" (独参), "daisan" (代参), or "sanzen" (参禅)). While there is no unique answer to a kōan, practitioners are expected to demonstrate their understanding of the kōan and of Zen through their responses. The teacher may approve or disapprove of the answer and guide the student in the right direction. The interaction with a Zen teacher is central in
Zen Peacemakers alleys." As a leader of Socially Engaged Buddhism, the Zen Peacemakers publish "Bearing Witness", a free monthly online newsletter. The socially engaged practices of Zen Peacemakers is aimed at extending Dharma beyond the meditation hall to the worlds of business, social services, conflict resolution and environmental stewardship. Socially Engaged Buddhism has frequently led to new models of practice, allowing Buddhists to addressing the needs of individuals and communities in disadvantaged areas. The Zen Peacemakers' way is intended to "illuminate all life as a boundless meditation hall". Religious historian Richard Hughes Seager writes "The Zen Peacemaker Order ... has the potential