This is used to log in, and is case sensitive, so you may want to stick with all lowercase

If this is blank, the user will be unable to log in.

Below you'll see only the encrypted version of the password. This is the only thing that's stored on the server, so if somebody has forgotten their password, the only thing that can be done about it is setting a new password using this field. If you do not edit this field, their password is unchanged.

Set to "None" to disable the account. This is useful if you might want to enable it again with the same password, since (unlike deleting the account) the password is preserved in the database.