trusted slaves or there owners
Typically, slaves were punished with whippings. Most commonly, fifty of them.
they punished themselves
anything
Overseers punished slaves to maintain control and discipline on the plantation, to discourage rebellious behavior, and to set an example for other slaves to prevent insubordination.
They were beaten and whipped.
The main reason slaves worked hard were because they could be punished if they did not. Slaves could be punished is a number of ways, which ranged from being whipped to being killed.
they would be beaten or hanged
whiped
they know they might be caught and will be punished.
They supervised the work of slaves. If slaves did not follow orders, they also punished the slaves.
'They' had no choice ! The pyramids were built by captured slaves. The slaves were forced to work or be punished.
Because they owned them and you can do with property as you want. the same reason why pig farm owners and cattle owners are not punished for killing their animals and selling them to butchers.