Possible Clues:

• 'One card makes one wait, by the sound of it (9)'
• Going out, Nigel's not the only one in a suit
• Individual is to divulge info in two different ways
• The only one in a suit wearing a vest
• Bachelor maybe admitted going on Twitter
• Give information and reveal just one thing
• Record's hundred and one?
• Card that is only one held in its suit
• Snitch on learner at school, one without a mate?
• One alone in wearing a vest