Elector (noun)

1. A person who has the right to vote in an election.
2. A member of a college of electors who have the power to elect a ruler or other official, especially in a monarchy.

Origin:

From middle english electour, from latin ēlector, from ēligere ("to choose, elect"), from ex- ("out") + legō ("i choose").

Examples:

1. Every citizen who is of legal age is an elector and has the right to vote in the elections.
2. The electors met in a special assembly to choose the new emperor of the Holy Roman Empire.
3. The elector was swayed by the persuasive speeches of the candidates and cast his vote.
4. The electors were appointed by the various states to represent their interests in the election.
5. The electors of the college were given the power to choose the next pope after the death of the previous one.