Whose apprentice is the fortune teller _ whose apprentice novel is the fortune teller?

Whose apprentice is teacher Yuchan of the Book of Changes?

The master of Chinese studies used to be old. Teacher Yuchan is a famous master of the Book of Changes, which is widely circulated. He was born in a family of Yijing and studied Yijing since childhood. After years of research and practice, he became a senior master of the Book of Changes. The teaching style is unique and deeply loved by students. Teacher Yuchan is a senior master of Chinese studies, Taoism and Yi studies. He studied Confucianism, Buddhism and Taoism since childhood and had a unique understanding of Taoist thought.