There are multiple factions in the game that allows for interaction.
The Police Force
The Sand Mafia
Christopher G. Sand is the head of the Sand Mafia. The Sand Mafia is a criminal organization that is centuries old, since it originated from Christopher G. Sand's grandfather.
Led by Vicus Varga, the Punks seek to overthrow the Sand Mafia and take over Freeburg's underworld.
Mayor Roberts is your employer, based out of City Hall. City Hall handles affairs such as hiring new staff or giving Jack a raise.
Robspierre is the alias of the businessman Eugene Caffre, who challenges the corrupt Mayor Roberts for leadership of the city.