Tormenter

tor·men·tor also tor·ment·er  (tôr-mntr, tôrmn-)

n.

1. One that torments.

2. A hanging at each side of a stage directly behind the proscenium that serves to block the wing area and sidelights from the audience.

3. A sound-absorbent screen used on a movie set, used to prevent echo.

Thesaurus

Noun	1.	tormenter - someone who torments                 persecutor, tormentor harasser - a persistent tormentor oppressor - a person of authority who subjects others to undue pressures blighter, cuss, gadfly, pesterer, pest - a persistently annoying person tantaliser, tantalizer - someone who tantalizes; a tormentor who offers something desirable but keeps it just out of reach witch-hunter - someone who identifies and punishes people for their opinions
	2.	tormenter - a flat at each side of the stage to prevent the audience from seeing into the wings tormentor, teaser flat - scenery consisting of a wooden frame covered with painted canvas; part of a stage setting