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)
1. (Law) a gift by will, esp of money or personal property. 2. (Law) something handed down or received from an ancestor or predecessor. 3. (Computer Science) (modifier) surviving computer systems, hardware, or software: legacy network; legacy application.