What is one who oversees; a superintendent; a supervisor; as, an overseer of a mill; specifically, one or certain public officers; as, an overseer of the poor; an overseer of highways called?

overseer — One who oversees; a superintendent; a supervisor; as, an overseer of a mill; specifically, one or certain public officers; as, an overseer of the poor; an overseer of highways. (Webster's 1913.)