The highest city in Africa is a city by the name of Addis Ababa. This is based on the highest altitude above sea level.
Denigration: Used in both classic and cyberbullying, denigration is a term used to describe when cyberbullies send, post, or publish cruel rumors, gossip and untrue statements about a target child to intentionally damage their reputation or friendships.
Repeated, persistent and aggressive behaviour intended to cause fear, distress, or harm to another person's body, emotions, self-esteem or reputation. Bullying is subject to statutory definition and where it is defined in statute, it would be that statute definition which would apply within the relevant jurisdiction.