Related Clues:

• Make overt change, as supporter of politician
• Cross writer about to see returns
• One could use PR venture to vilify, partly spinning
• Clergyman about to back one of the selectors
• One making choice against old books with little hesitation
• One putting cross into box from left or right wing, perhaps?
• Today you can be awkward — revolt, ejecting head of legislature
• Ballot-caster
• Priest about to back one making sign of cross
• One exercising the ballot
• Constituency member
• Exit poll target
• One exercising veto by right?
• Member of a select group?
• One of those trying to provide seat for person standing