Possible Clues:

• Unexpected social pep of bishops
• Item of clothing being worn is one from a suit
• It's on the cards that that's no light matter for one
• One in a suit needing vest on
• Lonely heart at the bridge club?
• ... as revealed after north is turning over good card
• Spill the beans twice, when there's only one ...
• Eg lonely heart, not English, sick, wanting hospital
• Longest in bats for just one run
• Soloist?