Yes and to kill
Hide him/her in your closet. Then harass them until they leave.
No. It is illegal to harass people over the phone or any other media.
Yes, it can be illegal to pour water on someone if it is done with the intent to harm or harass them. This could be considered assault or battery, depending on the circumstances.
Obviously not. Ganders do it all the time with no hassle from the law.
Yes, it can be illegal to verbally abuse or harass someone in public, depending on the circumstances and local laws. This behavior may be considered disorderly conduct or verbal assault, which are punishable offenses.
The verb of harassment is harass. As in "to harass something or someone".
Credit card companies may call relatives that were given as a reference on the car loan. It is not illegal to call them, it is illegal to harass them.
Harass is the correct spelling.
persecute
Harass them. Harass them. Make them relinquish the ball!
The plural nouns for the verb to harass are harassers and harassments.The gerund form, harassing, is an uncountable noun.
Threatening to sue someone is not illegal in itself, as it is a common practice in legal matters. However, if the threat is baseless or intended to intimidate or harass, it could be considered illegal as it may constitute extortion or harassment. It is important to seek legal advice before making any threats of legal action.