Creeds of Assassins and Warriors.
Assassins would be the ingame recruiter and Warriors would be specialist in wars
Helpers could be leader little helpers and The Brethren could be Leader's little Bros
Leaders will be Assassination 'n' War Specialist
Co leader could be Assassinations 'n' Wars Manager or you could name the co leader the
Assassination & War specialist and Leader could be leader

OR if you wan't you shouldn't change the ranks but its Highly supported to change the Little Brothers and Helpers to something else.

and Creeds of Assassins and Warrior is just a posibility
Conquer and War
Command and Worship
Crime and War
Crisis Among World
Computing And Working
Camels and Whales <------ i really like this one
Crows and Worms
Coconuts and Watermelons
Crime among worshipers
Call Among Worlds
Creed of Avengers & Warriors
Creed of African Whales
Creed Among Warrior
Cock And Whales

These are just at the top of my head and i did not even spend 5 minutes just top of my head