When they say Middleman they are referring to this;
https://www.mpgh.net/forum/125-middle...middlemen.html
Using a 3rd party user to help with the trades, these services are provided by MPGH. If you do a trade on MPGH it is absolutely necessary to use this service it provides security, and a witness it absolutely necessary.
If you do not want to contact Customer Support for
his account then it's best you do it to gain your account back. Please contact support here;
Z8Games - Support
Please provide the following information;
Do NOT mention the trade, Account sharing is not accepted according to the terms and conditions.
State your IP Address
What Is My IP Address - Shows Your IP Address
If you have purchased ZP from Z8games state the
last 4 digits of your Credit Card number.
State your "average" information (Before being scammed) - Your E-mail, Your Login ID Ect...
This is the best thing you can do. In the future you must take Screenshots of all transactions, and use an Official Middleman in all your trades. This is the only way to get your account back at the very least. Good luck!