Although the laborers working on pyramids and tombs were initially mostly corvee labor, they did evolve into a more specialized and privileged class of artisans

Although the laborers working on pyramids and tombs were initially mostly corvee labor, they did evolve into a more specialized and privileged class of artisans over the (very long) course of Egyptian history. The first recorded labor strike in history occurred in a village of such artisans over lack of pay. https://en.wikipedia.org/wiki/Deir_el-Medina_strikes https://en.wikipedia.org/wiki/Deir_el-Medina_strikes