As the creator of an outline you have the ability to share this outline with other users of the Outline Project.  Click on the lock icon next to an outline you’ve created to set these permissions.

 

You can find a person two different ways:

 

There are two types of permissions you can set:

 

As you give permissions to other users to work with your outline, those users are listed on the right side of the screen.  You can change their permissions by changing the list next to their name.  Click on the red X to eliminate their ability to view or edit the outline.