3 adjectives to describe refractory

Even Moses had to kill the envious refractories, while Savonarola, the unarmed prophet, was destroyed.

He was soon beyond his depth, and we were at once alarmed and diverted at seeing his rider, with surprising adroitness, draw her feet from the stirrups and perch herself upon the top of the saddle, where she held her position, and navigated her little refractory steed safely to land.

<Stubborn, obstinate, pertinacious, intractable, refractory, contumacious>.

3 adjectives to describe  refractory