Related Clues:

• Political ad target
• Participant in an election
• Chooser
• One to whom parties appeal?
• Naysayer, say
• One on a roll
• Enfranchised person
• One watching a race
• Bloc party?
• One of those recognising someone else is standing, can help them get a seat
• Person concerned with slates
• One of the constituents, etc., from corvette
• Constituent very nearly claims overtime
• One making a choice -- second person at the polling station?
• One choosing area of economy, the French having been accepted