Possible Clues:

• Supporter of union supplied with rota, saving time
• Union supporter surprisingly is left outside backing a communist
• Politician and tennis player, without hesitation the top celebrities
• Type of politician feared, awful heel
• Constitution's supporter supplied ruler with an agenda, for example
• Union supporter given nourishment before time left first
• One sort of politician gave the Queen an itemised record
• Ladies fret about someone wanting union