2 Timothy 3:4
Traitors = treacherous, a betrayer, one who goes over to the enemy.
Heady = headstrong, rash, reckless (lit. falling forward).
Highminded = swollen with conceit, conceited, haughty, to inflate with self conceit, be lifted up with pride; to be puffed up with haughtiness or pride (Thayer).
Is the next phrase two qualities or one?
Lovers of pleasure .. = has the power to rob the soul of its love for God.