Users having appropriate roles and permissions can create/edit other user profiles. To update a user profile, perform the following steps:

1. From the main menu, select Settings > Users and Roles.
2. Select the user from the displayed list.
3. You can make appropriate updates to the following: Name, Twitter Handle, Communication Email, and Bio. 
4. Click Save.
   
    Please refer here to know more about Login and  Roles.