The term whisper is a metaphor describing the fact that you can not see or hear a rider's codes toward his horse: like whispering in spoken language
A whisperer is therefore a person who moves his horse without anyone being able to perceive his codes.
So all the riders with discreet, fine helpers are whisperers.
I don’t like this term because many put behind a mystical connotation while it is a science of education.
If when you watch my videos, you do not see my actions of hands, legs, trim, body ... so I'm a whisperer. But I do not speak, I whisper nothing in the ear of the horses.