A buyer broker agreement is a contract with the buyer and the broker to work together for a specified time period to help the buyer find a property.
Posthumous [ a. - Born after the death of the father, or taken from the dead body of the mother; as, a posthumous son or daughter. - Published after the death of the author; as, posthumous works; a posthumous edition. - Being or continuing after one's death; as, a posthumous reputation. Meaning of 'posthumous' (Princeton's WordNet)
n. 1. A gift, payment, declaration, or other acknowledgment of gratitude, respect, or admiration: put up a plaque as a tribute to his generosity. 2. Evidence attesting to some praiseworthy quality or characteristic: Winning the scholarship was a tribute to her hard work.