The RP Aspect involves Citizens, Homeowners, Shopkeepers, Police, and Government. You live in a city with a bustling economy where you can choose your place.
No grinding for cash is necessary. You can build income just by hanging out, or you can take initiative to get rich!
You do not need anything special from a game moderator to start a business, buy and sell things from the shop or other players.
However, you will need to get permits or whatever requirement a local Mayor might have to start a business or open a shop in one of the
City Safezones. Visit the mayor's office of the city you are in to find out more.