I want to inform that it has no connection with me and he is 100% impersonating and most likely trying to scam.
You might want to include your own Telegram username as well:
Please be aware and always confirm my identy with forum PM system or deal only in forum.
I searched quickly and it appears, it wasn't the first time that someone has either made you a target or impersonated you, so I'd suggest to ditch Telegram and only stick to this forum.