Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
I'm sorry to hear of your difficulties... I do understand disability.
Have you been able to access your GMail account since last Wednesday?
And, what is your confusion about 'user ID' versus 'User name' ? ideally they should really be one and the same, I would think - and I have used a GMail account myself, so I do know about it.
Glad to hear that your GMail account was accessible since last Wednesday.
Given that is the case, you have not been doing much wrong, I doubt.
What computer do you use, please? or do you use a tablet, mostly, for accessing GMail? ----what I mean is: What device are you using, when the problems occur? is it just any of them? or a particular one?
Come back anytime, by going to this page:
It will work with MAC OS X Sierra. Just click on the link I sent you, to open the page to re-connect tomorrow a.m. or other time.