If the double post was due to impatience, please don't expect an answer in minutes (or even hours, really). This is a small community and if the few key people are busy, getting an answer might take a day or two.
We don't know Dothraki word for
myself, and it's likely there isn't one. Dothraki deal with reflexives with a
particle thingie, so you would, for example, say "I'm teaching myself Dothraki" like this:
Anha nemo ezzok lekhes Dothraki.