Rila
Tribune Rila was an Aquan female, native to the planet . She was a Junior Tribune of the Ruling Tribunal of the Aquans.

In 2269, Rila interceded in favor of Kirk and Spock at the hearing, alerted the rescue party when they were returned to the surface to die. 

Rila, Lemus and Nephro agreed to help them if they would in turn help her find a buried ancient city in ruins whose archives may contain a way to reverse the mutation. They discovered that the substance in their bloodstreams was similar to the ambergris of Earth whales. The reverse surgo-op mutation was induced by an infusion of an antitoxin made from the venom of a deadly giant sur-snake. This process was also effective to younger aquans who wanted to return to the surface after reverse their water-breathing mutations. 

Rila was present on the bridge of the  when phaser fire was used to stabilize Argo's seismic activity. ()

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Aquans
Government officials