In France, Bernard Gui investigated an alleged 1321 “plot” named for these people, who were accused of stockpiling rotten bread to carry out a mass poisoning. (15[1])According to a legend that emerged in the 15th century, priests would conduct a “Last Mass” for these people which entailed pouring dirt over their heads as they stood in an open grave. (15[1])The Acts of (*) Sylvester records a tradition in which a ruler who was one of these people rewarded Pope Sylvester I for his assistance. While begging for alms, these residents (-5[1])of (-5[1])“lazar-houses” used the noise (10[1])of a clapper or bell (-5[1])to attract the attention of passers-by. Baldwin IV of Jerusalem was unable to marry because he was one of these people. For 10 points, name these medieval pariahs, forcibly quarantined due to their infectious skin diseases. (10[1])■END■ (10[2])