Board Thread:Support Requests - Getting Started/@comment-30266573-20190720041313/@comment-38078079-20190720113736

He might not see a message here.

Your best bet is to go to his profile on 'community'.

You can message him there, as you won't be blocked, and plead your case. Just be respectful and don't press further, if he says 'no' or asks for no further contact. So long as you're polite - and there's a valid reason for being unblocked - he'll probably be understanding.