Wolfi caught on a bit late:
https://www.gofundme.com/help-me-to-go-to-the-worlds

I need your help. The 2017 worlds are around the corner and I have
a problem. The sponsor I had lined up bailed on me last minute now I'm stuck
with no funds to go to Brazil and compete in the World's.

His begging video: https://youtu.be/7YH16A7q834