Dedication, experience and educational qualification are three differences may give you more advantages in your workplace. Generally, dedication and experience are might be more important than any other factors for giving more advantages in the workplace. In addition, level of education sometimes which is important in order to get the promotion.
The mayor's responsibilities are primarily to preside at council meetings and to act as head of the city for ceremonial purposes and for purposes of military law. The mayor votes as a councilmember and does not have any veto power.