This race has no known canonical name. While the information presented in this article is canonical, the people/beings described lack an official name, thus the title is conjecture.
Orin's people were a race of Humans living on Orin's planet in the Pegasus galaxy.
They were culled by the Wraith but Major John Sheppard and Teyla Emmagan managed to save several of them including Orin and Arja. (SGA: "Letters from Pegasus")