In Korean Seon, the role of a teacher or master is crucial to the practice and development of students. The teacher serves as a guide, mentor, and spiritual leader for their students, helping them to deepen their understanding and experience of Seon practice.

One of the main roles of a Korean Seon teacher is to transmit the teachings and methods of Seon practice to their students. This includes sharing the core principles of Seon, such as the concept of "don't know mind" and the practice of meditation, as well as various techniques and methods for deepening one's practice.

The teacher also plays a vital role in providing guidance and support to students on their spiritual journey. This may include offering individualized instruction, answering questions, and providing encouragement and support when facing difficulties or challenges in practice.

Furthermore, the teacher serves as a role model for their students, embodying the qualities and virtues of a true Seon practitioner. They demonstrate a deep understanding and embodiment of the teachings, as well as compassion, wisdom, and humility. By observing and learning from their teacher, students are inspired to cultivate these qualities within themselves.

In addition to teaching and guiding students in their practice, the Korean Seon teacher also serves as a spiritual advisor. They offer advice and counsel to students on various aspects of their lives, helping them to apply the principles of Seon in their daily lives and relationships. This guidance can be invaluable in helping students to overcome personal challenges and cultivate a more mindful and compassionate way of living.

Finally, the teacher also plays a crucial role in the lineage and tradition of Korean Seon. They are responsible for preserving and passing down the teachings and practices of Seon to future generations, ensuring the continuity and development of the tradition.

In summary, the role of a Korean Seon teacher or master is multifaceted and essential to the practice and development of students. They serve as a guide, mentor, and spiritual leader, transmitting the teachings and methods of Seon, providing guidance and support, embodying the qualities of a true practitioner, offering spiritual advice, and preserving the tradition for future generations.