unchair

verb2

1. •
   (figurative) To take away someone's status and authority, especially if that status and authority is represented by a chair such as a throne or an academic chair; unseat.

   • How could she restore the faith of the council, or at the very least keep from being unchaired or made a puppet? — 2020
2. •
   (rare) To get out of or to remove from a chair.

   • When I stand up, am I unchaired? — 1994