voter(n = noun.person) elector - a citizen who has a legal right to vote;
is a kind of citizen
is a member of electorate
has particulars: constituent, crossover, crossover voter, floater, floating voter, swing voter
Derived forms verb vote₁, verb vote₅, verb vote₂

   One who votes; one who has a legal right to vote, or give his suffrage; an elector; a suffragist; as, an independent voter. [1913 Webster]

voter, n.
1 a person with the right to vote at an election.
2 a person voting.

crossover voter, floating voter, swing voter, voter turnout