plato answer:
The is the exact answer so don't copy it from word to word.
The poem’s author was Raimon de Cornet, a priest and poet from Toulouse, France. He wrote the poem to criticize the church, which at the time had its headquarters in Avignon, France, instead of Rome. He criticizes the pope, cardinals, and bishops for leading rich and lavish lifestyles while the poor suffered.
Martin Luther probably would have supported the poem. Although Luther lived after the author's time, he also opposed church practices such living lavishly.