Chaucer presents corruption in the medieval churches through "The Summoner's Prologue" and "The Summoner's Tale" by discussing a friar's actions of deceit, disobedience, and dishonesty toward compassionate people.

Being deceitful is contradicting to the beliefs of the church and above all contradicting to God himself. Deceit is commonly mistaken for cheating, although deceit is also an act designed to mislead another. Presented in Chaucer's work, deceit is used to convince people to purchase fake objects and pay for false prayers and pardons from the church. Specifically, In "The Summoner's Tale" the Friar tries to induce the wife to give him unnecessary items, especially food. In his case, the church forbids having more than you need of anything. "If I could have a little chicken-liver, And some of your bread-the merest shiver-...The sustenance is I take is very spare; You see my spirit draws its nourishment Out of...