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)
Legacy preference or legacy admission is a preference given by an institution or organization to certain applicants on the basis of their familial relationship to alumni of that institution, with college admissions being the field in which legacy preferences are most controversially used.