Yes, it's a bone marrow donor. But the first step is just a mouth swap. No blood needed for the test. As I wrote in my first Post, in Germany you can get the testkit shipped. Unfortunately I'm not familiar with things like that, so I can't explain much.
The German DKMS (German bone donor association) says more less that it have to be a Filipnio or Filipina. Compared to blood there are hundreds of characteristics which have to match. And the chance to find a match is much, much higher if the donor is a Filipino. Currently they (DKMS) have 11 Million donors in their database. Most of it are Kaukasians (middle and western Europe and North America) and even there only every 5th patient find a match. For Asians and Afroamerikans it's much more worse.
I don't know if this part of the German forum is public. Here is the
original Post from her in English and Tagalog.