Bhisma advised Yudhishthira that a king should have a Council of Ministers which should include "four Brahmins...; eight Kshtriyas...; twenty-one wealthy Vaishyas and four Shudras of blameless character and inner self-control".

TAIGEN Sofu (or Sufu) Sessai was a priest and a minister of IMAGAWA Yoshimoto. He was born as a son of IHARA Masamori, senior vassal of the Imagawas and is thought to be related to YAMAMOTO Kansuke, strategist of TAKEDA Harunobu (Shingen). He is one of the ministers in clerical robe in Japanese history.