Core, Inner Circle, Middle Circle, Outer Circle?
People gain rank through acts of loyalty, combined with how useful they are to the Cabal. Cabaal actively seeks to prompt up those who continuously prove themselves commited and loyal to the cause.
+Those coerced into cooperating with Cabal are not considered members. They are simply seen as tools or assets. The Cabal simple seeks to keep them cooperative and firmly control them. The general exchange is that the Cabal gives them orders, with the threat of harming their, their loved ones, or their posessions, should they refuse to mete them out, or should they decide to tell anyone about anything regarrding the Cabal.