Bible Verses About Reviling and Reproaching: Of rulers specially forbidden

Thou shalt not speak ill of the gods, and the prince of thy people thou shalt not curse.

And they that stood by said: Dost thou revile the high priest of God?

And Paul said: I knew not, brethren, that he is the high priest. For it is written: Thou shalt not speak evil of the prince of thy people.