Alright, I'm going to pass this onto Dex or Solution as they both can speak dutch.
But before I do that I just want to highlight a few things:
1)
the Skype convo they had went like this :
they win the 500m and the guy wants to eend to trade him the cash back eend tell the guy he already traded the guys acount "jan sobieski" which he did not as showed in the pictures.
How did they deduce that he never muled off the money himself? Did you not have pictures of you showing the 500m on his account before logging off?
2) He noticed the mistake i made and started extorting me with making a dispute against him unless i traded over money, not 500m or half of it. i refused because im not going to let that happen and he made a dispute against me as a result.
What do you mean by this exactly ^, are you trying to say that he took advantage of you because you no longer confirmed it was his money after each time he traded you over x amount of money for you to stake with it and then he wanted you to give the full winnings and not allow you to take comission?
Anyways I'll let Solution or Dex handle this one.