unchair
/ˈʌntʃɛr/Definitions
1. verb
to remove someone from a position of authority or responsibility
“The new CEO will unchair the entire board of directors.”
2. verb
to remove the chairperson of a committee or meeting
“The motion to unchair the chair was voted down.”
3. verb
to remove someone from a position of leadership
“The company will unchair its top executive due to a scandal.”