What did the nobleman do on behalf of the king of Egypt?

He supervised the work of the tenants of the royal lands, was a judge, organized the protection of the pharaoh, suppressed the Bedouin uprisings, wore the sandals of the pharaoh.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.