ferrule (of a cane, umbrella, etc.); butt end (of a lance, pike, etc.); hard tip (of a mushroom stem)
to push (someone) around; to shove around; to treat roughly; to bully
to curse (at someone); to call someone names; to speak bitterly
to kowtow (to bow from a kneeling position such that the forehead touches the ground); to prostrate oneself; to give a deep, reverent bow