lonely? no im sure there is a name for it, but they're really just a "hobbyist"
A person who collects only news is typically referred to as a news collector or a news gatherer.
Mainly collecters, or people that buy them cheap and try to scam people in pawn shops or other places. :P
The ozone collects at the stratosphere. It is formed there only.
A player
Ignorant.
friendly USER
The Judge
only if you use skype
zen master
A person who only sees the negative in others may be called critical, judgmental, or pessimistic.
crazy
you can do a papper person when you deliver news papper.
That's a person specialized on cooking only vegetables, although that person isn't necessarily a vegetarian. He may be cooking for vegetarians and that person may be not one of them. I could call him "Veggie's cooker"
pensive? introspective? contemplative?