either of two persons who attend upon a cardinal at a conclave, one usually being an ecclesiastical secretary and the other a personal servant.
Origin of conclavist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for conclavist
Any conclavist who may leave the conclave cannot on any account return.
Each cardinal is accompanied by a clerk or secretary, known for this reason as a conclavist, and by one servant only.