Wadi

Wadi are a humanoid nomadic non-player race native to the Wadi System in the Gamma Quadrant and members of the Dominion.

History
The Wadi were the first Gamma Quadrant culture to make first contact with the Alpha Quadrant. A Wadi ship visited the Federation station Deep Space 9 and played the game Chula with the command crew. (DS9 episode Move Along Home)

Appearance
Wadi are physically similar to Humans but for a mark on their forehead. This is a tribal tattoo of one color, although each Wadi can have a different color.

Duty officers
Wadi duty officers are only available for the Klingon Empire.
 * ''See List of Wadi duty officers

Missions referenced

 * : The Ferengi trader Farek has made contact with the Wadi as well and does not consider them "any trouble once you learn the rules of that crazy game,", disregarding them as serious business competition. Wadi do not appear in the episode themselves, though.