Thank you so much for sharing your amazing experience & precious guidance for new seller. And our heartiest congratulations for your long journey with Fiverr.
It's amazing to join here. Lot of things to learn & nice scope to know others have inspired me to join in Fiverr community. Thanks Fiverr for creating & giving us such a wonderful platform.
You may send him a message to clear the problems including what he is doing the wrong with you. If he doesn't reply then you can contact with the customer support team.
Did you send any message to the client to reach him/her? If you did and yet not responded, wait for a couple of days. And finally you can inform the customer support team.