invocator

plural invocators

1. One who invocates the spirits of the dead.

   The five others nearby likewise made ready to serve as invocators—instruments and voices harrumphing as would a body of minstrels in preparation for some performance.

   2007, Gary Gygax, The Anubis Murders, →ISBN, page 21

   2 more examples

   The reports of xenoglossic phenomena typically rely on two primary assumptions: first, that the linguistic abilities of the eminent dead remain static (and so stylistically recognisable) in the spheres; and second, that those of their typically working-class invocators were unimprovable in life, so much so that cheating would be impossible.

   2012, Christine Ferguson, Determined Spirits, →ISBN, page 77

   The woman who implored Our Lady to help Joan Sampson in her labour Joan spat upon and set away, and at another woman's childbed she 'contumeliously spoke against the invocators.

   2014, Susan Brigden, London and the Reformation, →ISBN