Barkikuddi

A mystic sorcerer who has mastered the ability to influence his surroundings by blessing or cursing people and places.

From the Fulani words:

Barki meaning "blessings"
and
Kuddi meaning "curses"

"After Kate dumped me, I went out and hired a Barkikuddi sorcerer to call down a curse and make her life a living hell.