Can support to remind mail address to my friend, he cant join and cant recover?


pls help me and my friend.
He has all access, and remember all passwords, but cant do nothing.


What exactly he cant do?
If he dont know email address, support wount help him!


He cant join to faceit profile and write to support, he cant recover his login bcs he dont remember his mail.
support cant to remind him his mail ?


To even do something he need to know his email address!