Allowing Members to Remove Their Own Membership 
You can allow members to remove their own workspace membership, even if they are not the workspace managers, by configuring a property.
In the portal, navigate to .
In the Portal Catalog, choose .
Open the Configuration iView.
In the Property editor, in the Property Category dropdown list, select Enterprise Workspaces.
Configure the Allow Members to Remove Their Own Membership property.
By default, members are allowed to remove their own membership.
Save your changes.