http://www.sparknotes.com/lit/canterbury/characters.html

http://nehsmediacenterenglish.wikispaces.com/Summoner

 the summoner are church official, who brings peopel who violated church law to court. summoners have leprosy face, get drunk frequently and always have a baby face. they are rude and should never be trusted. somethimes they will abuse everyone if they have a chance. they might look harmless at first sight, but behind that innosccense there is always evil lurking around.