'Leader' in the Bible

Just then, a man named Jairus came. He was a leader of the synagogue. He fell down at Jesus’ feet and pleaded with Him to come to his house,

But the leader of the synagogue, indignant because Jesus had healed on the Sabbath, responded by telling the crowd, “There are six days when work should be done; therefore come on those days and be healed and not on the Sabbath day.”