(idiom) obstinate and willful; insisting on one's own way and refusing to listen to others' advice

stubborn and perverse; set in one's ways and unwilling to listen to others' advice

Stubbornly sticking to one's own opinions and lacking any sense of kindness or humanity.

stubborn and self-opinionated; (variant form) acting on one's own authority and refusing to listen to advice

to be headstrong and refuse to listen to advice or corrections from others