Who is the superstitious and antiquated character in the Canterbury Tales?

The superstitious and antiquated character in "The Canterbury Tales" is the Pardoner. He is portrayed as a corrupt church official who sells indulgences and relics, exploiting people's fears and superstitions for profit. His character embodies the themes of greed and hypocrisy within the medieval church, as he uses his persuasive skills to manipulate the faithful into believing in the power of his fraudulent relics.