The Norrb were a tribe of the Payav civilization on planet Mestiko. They were native to the eastern continent, near a region known as The Badlands.
In the 2260s decade, the Norrb were led by Traal, a tyrannical warlord. In the year 2265, with the first warnings of a rogue pulsar approaching the Mestiko system, Traal settled his people in underground and domed cities, enabling them to survive the worst effects of "the Pulse".
The Norrb maintained a longtime rivalry with the Domtos tribe over control of the Badlands region. (TOS - Mere Anarchy eBook: The Centre Cannot Hold)
The Norrb were farmers, and were primary providers of food for the entire planet in the years following the Pulse. (TOS - Mere Anarchy eBook: Shadows of the Indignant)