"Sorcerer" was one word for a practitioner of witchcraft.
The War Chief posed as "a sorcerer and/or war god" to the 1st century Britons when he built up his cult of the Inner Mysteries. (GAME: "The War Chief" [+]Part of The Legions of Death, J. Andrew Keith, The Doctor Who Role Playing Game (FASA, 1986).)
[John Bentley]], a time traveller, was called a sorcerer by the Spanish Inquisition after his ship's materialisation was witnessed by some armed men. (COMIC: Dr. Who's Time Tales [+]Dr. Who's Time Tales comic stories (Marvel Comics, 1980).)