Saint Roch, rock in english, became a so called medicant pilgrim around his twentieth year, seemingly on the death of his parents. The term medicant being associated with an idea Jesus had, that on His death close followers were to try to provide spiritual sustenance to the people and in return they would be given food. The idea was taken on somewhat by the catholic church.
He travelled to Italy during a bubonic plague epidemic and cared for the sick in hospitals around country. Believed to be wrongly accused twice and dying in prison, he is said to be the patron saint of invalids, falsely accused people, surgeons, second hand dealers, diseased cattle, dogs and pilgrims.