pawn

Meanings

• an article deposited as security
• a person used by another to gain an end
• (chess) the least powerful piece; moves only forward and captures only to the side; it can be promoted to a more powerful piece if it reaches the 8th rank
• borrowing and leaving an article as security for repayment of the loan
• leave as a guarantee in return for money
  • "pawn your grandfather's gold watch"

Synonyms

cat's-paw, hock, instrument, soak