General Antonyms:
* Benefactor: Someone who provides help or support.
* Protector: Someone who safeguards or defends.
* Comfortor: Someone who brings solace or relief.
* Friend: Someone who provides companionship and support.
* Helper: Someone who assists or aids.
Antonyms Based on Specific Meanings of "Tormentor":
* If "tormentor" refers to someone who inflicts pain: Healer, soother, rescuer.
* If "tormentor" refers to someone who causes mental anguish: Counselor, confidant, comforter.
* If "tormentor" refers to someone who relentlessly bothers or annoys: Friend, supporter, advocate.
The best antonym will depend on the specific situation and the intended meaning.