'Ruler of the Synagogue' in the Bible

Whilst he thus entertain'd them, the ruler of the synagogue came and made his address to him, saying, my daughter is upon the point of death: but come and lay thy hand upon her, and she shall live.

While he yet spake, there came from the ruler of the synagogue's house certain which said, Thy daughter is dead: why troublest thou the Master any further?

As soon as Jesus heard the word that was spoken, he saith unto the ruler of the synagogue, Be not afraid, only believe.

And he cometh to the house of the ruler of the synagogue, and seeth the tumult, and them that wept and wailed greatly.

And, behold, there came a man named Jairus, and he was a ruler of the synagogue: and he fell down at Jesus' feet, and besought him that he would come into his house:

While he yet spake, there cometh one from the ruler of the synagogue's house, saying to him, Thy daughter is dead; trouble not the Master.

And the ruler of the synagogue answered with indignation, because that Jesus had healed on the sabbath day, and said unto the people, There are six days in which men ought to work: in them therefore come and be healed, and not on the sabbath day.

And Crispus, the chief ruler of the synagogue, believed on the Lord with all his house; and many of the Corinthians hearing believed, and were baptized.

Then all the Greeks took Sosthenes, the chief ruler of the synagogue, and beat him before the judgment seat. And Gallio cared for none of those things.