Possible Clues:

• Workers for instance carrying spades and proof of membership as well
• Waits around two at table — opponents, too
• Bishop stays permanently, but not rook too
• "What's more ..."
• Second-rate squads feature too
• Moreover, there could be teams here
• Little boy bisects insects as well
• There's energy in the less important songs as well
• Might be teams as well
• ... a good queen consumes fish as well