stubborn; unmanageable; resistent to control; refusing to obey
This is a very refractory horse; since you're a beginner, I suggest you choose a more docile one to ride.
re (again)#frangere (to break) (Latin)
contentious, headstrong, intractable, obstinate, recalcitrant, refractory
amenable, complaisant, compliant, docile, tractable
one who doesn't refract or bend at all meaning stubborn refractory--means factor, who always factors the law into piece, means don't follow the law. Remember SATISFACTORY. REFRACTORY can br the OPPOSITE of SATISFACTORY