Strong G752 ἀρχισυνάγωγος archisunagōgos · synagogue leader

Luke

1. Luke 8:49
   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.
2. Luke 13:14
   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.