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)
Death(verb) the cessation of all vital phenomena without capability of resuscitation, either in animals or plants. Death(verb) total privation or loss; extinction; cessation; as, the death of memory. Death(verb) manner of dying; act or state of passing from life. Death(verb) cause of loss of life.