As an Account Administrator for an organisation you can manage your users.
Simply login to the portal at portal.chg.net.au go to the Org Admin menu.
Alongside the user you want to delete, click the 
How to delete a user from an organisation
As an Account Administrator for an organisation you can manage your users.
Simply login to the portal at portal.chg.net.au go to the Org Admin menu.
Alongside the user you want to delete, click the