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)
(comparative more defunct, superlative most defunct) (now rare) Deceased, dead. No longer in use, inactive. (computing) Specifically, of a program: that has terminated but is still shown in the list of processes because the parent process that created it is still running and has not yet reaped it. See also zombie, zombie process.