Related Clues:

• Lowly chess piece
• One moves before the king
• Second-rank chess piece
• Inmate
• Prisoner
• Put in hock
• Potential queen, in a game
• Convict
• Potential queen
• Queen-to-be, maybe
• Sell, at least for a while
• Board man
• Guest of the state
• Small chess piece
• Fischer man?