voter
n.a person who has the right to choose a leader or a law in an election. You are a voter if you go to a polling station to cast your ballot.
n.a person who is legally entitled to vote or who is currently participating in an election. Often used collectively to describe the electorate within a specific district or demographic.
“Every voter must show a valid ID at the door.”
“The candidate spent the weekend knocking on doors to hear what each voter cared about most.”
“Political analysts are closely monitoring the youth voter turnout, as this demographic could potentially shift the balance of power in several key swing states.”
Often used with modifiers to describe specific groups, such as 'undecided voter' or 'registered voter'.
From vote + -er.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.