Torment
Part of speech: noun
Definition: A catapult or other kind of war-engine. Torture, originally as inflicted by an instrument of torture. Any extreme pain, anguish or misery, either physical or mental.
Part of speech: verb
Definition: To cause severe suffering to (stronger than to vex but weaker than to torture.)
Example sentence: For too long, we've allowed ourselves to equate targeted bullying with innocent teasing, or dismissed it as pranks and ignored the torment and long-term impact that an incident like this has on young people.
Harassment
Part of speech: noun
Definition: Persistent attacks and criticism causing worry and distressTo deliberately pester or annoy
Example sentence: Cyberbullying isn't real. But bullying and harassment certainly are real. Trust me, friends, I went to school in England. They've got bullying down to a fine art. I know, because I was one of its chief architects. I was awful to my fellow schoolboys.