In spite of the importance of their role, they could only be promoted up to Kaigo (Deputy Chief of the office) or Shitsujidai (deputy steward), which were equivalent to an assistant director of an organization within the formal structure of the bakufu.
彼らはその重要性にも関わらず幕府本来の機構の中では組織の次官に当たる開闔・執事代にまでしか昇進できなかった。