Barnabas's Doubtful VocationBarnabas's identity as messenger is corroded by the contrast between hope and reality.1Appointed Messengerthe second day of K.'s stay2The Office Ordealthrough the days of Barnabas's official visits3The Failed First Deliverya few days after K. gave him a verbal message4The Second Letterlater after Momus's hearing5Erlanger's Summonslate night after Frieda's flight