You need to contact the police immediately and file a police report. Make sure you print out all the threatening messages and keep them together in a safe place to show the police.
Cyberbullying
ringing someone and threatening to rape/molest them
School yard bullying happens at school or on playgrounds, in person. Cyber bullying is when someone sends you threatening or harassing emails or messages on the internet, or when they send mean or cruel emails/messages about you to others. It may be from someone you know, or it may be someone who just happened to see your name or email address some where.
When someone is stifling you, it means they are inhibiting or restricting your actions, thoughts, or freedom in some way. This can manifest as controlling behavior, lack of support for your personal growth, or not allowing you to express yourself freely.
Psychological Abuse
The person who is harassing you is possibly someone you meet though the internet and now wants to stalk you. Just ignore it and if it keeps happening than call the cops.
all you have to do is tell them to leave you alone sometimes if you tell them to leave you alone it won't work if they keep harassing you tell a parent or teacher they will help you why they keep harassing you,
Try reversing the phone number
Tell someone that will help you, And they will be punished
He/she is a prostitute
Yes, you should probably talk to someone about that.
Cyber stalking involves harassment using the internet. It can be by posting false accusations or threatening messages using digital media. Also, monitoring someone's computer and his internet use etc. also fall in this category. The attacker can be a stranger or a known acquaintance. Cyber stalking is an offence under Cyber laws and it involves stalking and harassing a person in cyber space.Cases of Cyber stalking are on the rise world over, however, victims can seek legal recourse under Cyber Laws.