ESB:Defining user roles

Since we are splitting the ESB:New policy mindset discussion, this is part of it. Here are some ideas as to defining user roles.
;Editing Roles
*Regular User
:*Building community - contributing to ESB to achieve our goals, helping to improve the wiki
:*Maintaining harmony - they are responsible for following the rules set in place and being civil in discussions, both social and matters of the wiki.
*Rollback
:*Building community - contributing to ESB
:*Maintaining harmony - they are responsible for monitoring vandalism and spam.
*Assistant
:*Building community - they are responsible for monitoring vandalism and spam, and have extra abilities to do more advanced tasks on the wiki.
:*Maintaining harmony - 
*Administrator
:*Building community - 
:*Maintaining harmony - 
*Bureaucrat
:*Building community - 
:*Maintaining harmony - they are responsible for ensuring all discussions are running smoothly, making sure controversy doesn't get out of hand, and promoting and demoting user.
;Contributing Roles
*Chat moderator
:*Building community - 
:*Maintaining harmony - 
*Thread moderator
:*Building community - 
:*Maintaining harmony -