Morg
You might also be looking for the medical term, the morgue.
The Morgs were large sentient humanoids native to the surface of the planet Sigma Draconis VI. The population of Morgs on the planet were primitive, but plentiful. Because they possessed no organized civilization, they remained widely scattered throughout the planet's surface. 

At the peak of civilization on Sigma Draconis VI, its inhabitants lived in a culture advanced beyond 23rd century Federation capabilities. Around 8000 BC, when a glacial age reoccurred, an underground complex was developed for the women, while the men remained above, causing a male-female schism. These men became the primitive beings known as the Morg.

When encountered by the crew of the  in 2268, they did not know the meaning of the words "female" or "male" and feared "the others", whom they called the "givers of pain and delight". These "others" were later determined to be their female counterparts, the Eymorgs. 

Below the surface of Sigma Draconis VI, the Morgs served as obedient slaves of the Eymorgs by means of pain bands. Kirk, McCoy, and Scott were forced to fight two enslaved Morg guards in order to retrieve their equipment.

Following the disconnection of the Controller by the crew of the Enterprise, Captain Kirk suggested that the Morgs and Eymorgs would be forced to live together once again in an attempt to re-establish a civilization. ()

People 
No Morg were named in canon references.

 See: Sigma Draconis VI natives

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Groups