My name is Anderson Marques, 24, and I'm Brazilian. So far, I think I'm the only South American guy around here.
I didn't read all the books, only the first one, which was translated to Portuguese. So, my knowledge concerning the Dothraki people currently is as little as it is showed in the first book. I do plan to read the other books.
I'm a computer engineering grad and NEVER got into any language other than English (mostly) and Spanish. So, probably you guys have a lot more background experience than me, from stuff likeTolkien and Na'vi that I never got deep. My interest in Dothraki came with some of the words from the book I found totally awesome and the Dothraki people itself.
I hope to help any way I can