To add a user to your account, simply log in and click on the locations tab in the control menu on the left.
Once the location menu is up, click the "Add Locations" button as shown below:
click on the user role, and select "User."
Enter the information as requested for the user, including email, and create a password for them. They can change this later.
After you have entered the information, click add location, and your user will not be able to log into your account.