Bedouins?

https://www.britannica.com/topic/Bedouin

“In addition to the “noble” tribes who trace their ancestry to either Qaysi (northern Arabian) or Yamani (southern Arabian) origin, traditional Bedouin society comprises scattered “ancestor-less” groups who shelter under the protection of the large noble tribes and make a living by serving them as blacksmiths, tinkers, artisans, entertainers, and other workers.”
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