a person who commits arson.
arsonist
the crime of killing someone.
Murder
A person who sells drugs
Drug dealer
the crime of entering a building illegally in order to steal things?
burglary
the crime of attacking someone to steal their money or possessions.
mugging
the crime of stealing money or property from a bank, shop, or person
Robbery
A criminal who commits crime on the internet/computer
Cybercriminal/Hacker
the crime of stealing things from a shop.
Shoplifting
a person who commits theft.
Thief
the crime of setting fire to a building or property?
Arson
The crime of damaging pubic property
Vandalism
the crime of taking something/one illegally into or out of a country.
Smuggling