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)
faux pas, gaffe, solecism, slip, gaucherie(noun) a socially awkward or tactless act. slip, slip-up, miscue, parapraxis(noun) a minor inadvertent mistake usually observed in speech or writing or in small accidents or memory lapses etc. slip(noun) potter's clay that is thinned and used for coating or decorating ceramics.