Answer: tormentor

AnswerCrossword Clue
TORMENTORToy tickler.
TORMENTORVexatious one.
TORMENTORPest.
TORMENTOROne who bothers people between two high hills (9)
TORMENTORMarquis de Sade, e.g.
tormentorone who torments also TORMENTER