Guardian (User Type)

All Khan Academy administrators are granted moderator powers by default. Besides, Khan Academy selects a few members based on their discussion history and promotes them to moderators (a.k.a. Guardians). Because of the low demand for this position, it is impossible for most members to acquire this position. Some notable Guardians are Andrew M and Peter Collingridge. User also earn the Guardian badge for becoming a Guardian.

Some notable tasks of a Guardian
To gain full insight into tasks of a Guardian, read here.
 * Regularly review, take action on, and empty the flagged content at Feedback page.
 * Edit content when necessary
 * Ban users who are spamming the site or being abusive/offensive toward others, and who haven't already shown a significant capacity for making great posts.