An environmental activist.
A person who fights fire is called a fire fighter.
a pacifist
a person who fights a bull a person who fights a bull
An environmental scientist or an environmentalist.
there are a few things here and there but NOTHING such as you can call fights
A fistfighter...
A berzerker is another term for a berserker - a person who fights as if frenzied.
a bully and a control freak
Everyone. They were written to appeal to a broad spectrum of people. You could watch for the fights and the dirty jokes or for the philosophy--your call.
Call of Duty ELITE Friday Night Fights - 2011 is rated/received certificates of: USA:M
Matador.
Astronomers. They love to look at planets with a telescope.