A person eligible to vote in an election; a member of an electorate, a voter.
A member of an electoral college; specifically (US) an official selected by a state as a member of the Electoral College to elect the president and vice president of the United States.
A person eligible to vote to elect a Member of Parliament.
A self-important person.
A powerful leader; a monarch; a ruler.
A powerful polity or institution.
Someone acting in an important role.