Board Thread:Roblox help and discussion/@comment-37721276-20181222020410/@comment-35998649-20181222021526

I'm sorry about your current situation. I'm also sorry to say that we are not associated with the Roblox corporation themselves.

Roblox does have a dedicated support page for this. They also have an email that you can contact (I recommend this way) for these types of issues:

They will usually respond within a few days, due to how many requests they get. The first email you will get will tell you that your request has been received, and the emails after that will be from a Roblox employee. As long as you are polite and specifically state the problems, they will ensure that access to that account will be guaranteed again.

I wish you the best of luck in solving this problem.