How to delete a user in Ranger.
      Only users with the "admin" role can delete a user.- 
            In the Ranger Admin Web UI, select .
            Users/Groups/Roles displays the
                   Users tab active.  
  
 
 
- 
            Select the check box of the user you want to delete, then click
                  Delete.
            
         
- 
            Click OK on the confirmation pop-up.