Mart was a Bajoran man.
In 2360, Mart, then just a teenager, was a member of the same Bajoran Resistance cell as Li Nalas. Mart was on a reconnaissance mission with Li when the Cardassians destroyed encampment of their resistance cell, and he and Li were captured and transported aboard a Cardassian flyer, with their eventual destination a labor camp. (ST - Terok Nor novel: Dawn of the Eagles)