Just about everything I've read (English translations) about this makes me ill.
Granted, she's an adult now and everyone chooses his or her path, but it sounds like her parents pretty much abandoned her to this... (can't think of a word strong enough that won't get me censored) who is what? 26 years older than her... then proceeds to mentally and emotionally, and possible physically abuse her. And then MARRIES her!!!
"Jeanson's father said that he refused to watch his daughter train under Aubut's tutelage, fearing he would see her being treated badly."
If my daughter were involved, I think I would have found new and creative uses for my chain whip and other bicycle tools on his sorry hide! Early on!