Grand Theft Auto IV's protagonist, Niko Bellic, is an ex-soldier from Eastern Europe who moved to Liberty City to escape his past and pursue the "American Dream." Niko was persuaded to move by his cousin Roman, who claimed to be living there with beautiful women, sports cars and lots of money.
It soon becomes apparent, however, that Roman lied in order to cover up his own failures in life - the truth is he runs a failing taxi business, has mounting debts, and various criminals from Liberty City's underworld have put a price on his head.
He runs a failing taxi business in a converted industrial garage in Broker.
If you maintain a good relationship with Roman during the game, eventually he will provide a free taxi service for Niko.
Nico can set up dates with three different women through the internet in addition to the two that he meets in the course of the storyline.
Once Nico has set up the date through their is a wait period and then he will recieve an e-mail from the date.
Each friend (and three of the girlfriends) provide special unlockable abilities in return for maintaining good relationships with them.
There are five friends in total, which become available at different times during the storyline.
He talks with a thick heavy Jamaican accent, and will provide discounted weapons to Niko for maintaining a good friendship.
Each friend offers a 'special ability' in return for maintaining a good friendship.
In order to unlock a friend's special ability, you must have a high 'like stat' for that friend, and this stat is based on how regularly you hang out with your friend.
Niko also has other motivations for moving to Liberty City, which are revealed as the story unfolds.
Roman is Niko's cousin, and has lived in Liberty City for fifteen years.