Physical & Emotional Abuse Support Group
Abuse is a general term for the treatment of someone that causes some kind of harm (to the abused person, to the abusers themselves, or to someone else) that is unlawful or wrongful. No one deserves abuse, period. Abuse can be emotional, physical, or sexual.
I would say emotional blackmail/emotional manipulation and emotional abuse, speaking from experience are all the same thing.
Its somebody playing games with your emotions in order to hurt. Sick mentality
As happiness so aptly said:
. . . . same thing. It's somebody playing games wit your emotions in order to hurt.
Same thing. Variation in vocabulary.