'Ruler' in the Bible

But he that was wronging his neighbour thrust him away, saying, Who established thee ruler and judge over us?

This Moses, whom they refused, saying, Who made thee ruler and judge? him did God send to be a ruler and deliverer with the hand of the angel who appeared to him in the bush.

But Crispus the ruler of the synagogue believed in the Lord with all his house; and many of the Corinthians hearing, believed, and were baptised.

And having all laid hold on Sosthenes the ruler of the synagogue, they beat him before the judgment-seat. And Gallio troubled himself about none of these things.

And Paul said, I was not conscious, brethren, that he was high priest; for it is written, Thou shalt not speak evilly of the ruler of thy people.