Summary of Roles:
Super Admin – Someone with access to the blog network administration features controlling the entire network (See Create a Network).
Administrator – Somebody who has access to all the administration features
Editor – Somebody who can publish and manage posts and pages as well as manage other users’ posts, etc.
Author – Somebody who can publish and manage their own posts
Contributor – Somebody who can write and manage their posts but not publish them
Subscriber – Somebody who can only manage their profile