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)
An apparition of someone that is believed to appear as a portent just before that person's death. 2. The ghost of a dead person. 3. Something faint or insubstantial: The wraith of a hollow laugh issued silently from his parted lips (F. Scott Fitzgerald).