Gang Leaders/O.O.O.G.
  Supreme leaders and can assign special rank to any and all members (gang members will otherwise all be defaulted to the designation of Muscle) 

Commissioners/O.O.G.  
Gangs most trusted member(s) - that essential right-hand man that the Leader relies on for advisement and executive action. Commissioners have the power to manage and administrate all aspects of the gang on behalf of the Leader, including the ability to promote members internally or invite new members in.

Lieutenants/O.G. 
They run the crew, known as shotcallers, they are Made members with specific privileges to keep the gang in check and hand out promotions or demotions amongst sub-ordinate ranks. Crew Representatives and the mob of Muscle would be wise to keep their Lieutenants (and above) happy.

Representatives/O.Y.G.
 A tier of Crew members who have shown and proved their commitment to the gang - whether with ace performance in competitive modes, or just by rocking their Crew's emblem faithfully since day one. Crew Leaders can assign these special players as Representatives who will have basic permissions to aid recruitment efforts.

Muscle/Y.G.
 The rank-and-file mob of Crew members who are happy to play their position of causing some havoc Online, doing their Crew's emblem justice and fighting for its good name. Muscle-level members may not have nor want any administrative power but they're often the heart and soul of what makes your Crew fearsome. Ambitious Muscle who are looking to prove themselves to the Crew Leader and rise up the ranks may even prove a threat to their Crew superiors, if any are deemed to be slacking on their responsibilities or performance.