a retard who literally doesn't give a shit about anything. Nil is a basketball playing rapper who identifies as a tree. Nil will always be on discord with the boys probably talking about random shit and playing minecraft
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!