deprogrammer
/diːˈproʊɡræmər/
noun
- A person who helps others recover from brainwashing or extreme indoctrination, especially after involvement in a cult or extremist group.
- She became a deprogrammer after escaping from a religious sect herself.
- The deprogrammer worked with families to help their loved ones leave the cult.
- The court hired a professional deprogrammer to assist the young man.
Antonyms