Voodoo is the name of the religion and its various practices, which are akin to superstitious sympathetic magic, for example the use of voodoo dolls (one wonders if this has been updated with model...
frequently they are just called "priest" or "priestess" or will adopt the title of "papa" or "mama". I know I've encountered a specific title in the past, but have forgotten it now.that's "mambo" or...