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[2]-5[1])According to a legend that emerged in the 15th century, priests would conduct (15[1])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 (10[1])rewarded Pope Sylvester I for his assistance. (10[1]-5[1])While begging for alms, these residents (-5[1])of (-5[1])“lazar-houses” used the noise (10[1])of a clapper or bell (10[2]-5[1])to attract (10[1])the attention of passers-by. (-5[2])Baldwin IV (10[1])of Jerusalem was unable to marry because he was one of these people. For 10 points, name these medieval pariahs, forcibly quarantined (10[1])due to their infectious (10[1])skin diseases. (10[2])■END■ (10[2])