Equite (0) is the basic level of the Equite title. It is the first title that grants you a Senator, and allows you to own a maximum of two cities.
The Equite (0) title costs 50,000 Gold to research, as well as 50 of each refined resource. It also requires a Sorcerer's Tower at level 10 in order to refine the resources required.
The following title is Equite (1).