conclavist
/ˈkɑŋklɑːvɪst/Definitions
1. noun
A person who takes part in or attends a conclave, especially a cardinal in a papal conclave.
“The conclavist played a crucial role in the election of the new pope.”
2. noun
One who convenes a conclave or council, often to discuss or decide on important matters.
“The conclavist called the emergency meeting to discuss the company’s financial crisis.”