At the beginning of the Odyssey, Hermes is an effective liaison between the Olympians and the earth-bound deities. It is he whom Zeus sends to Kalypso. Remember from the genealogy that Kalypso (Calypso) is Hermes's aunt. She may possibly also be Odysseus' great-grandmother. At any rate, Hermes reminds her that she must give up Odysseus. [See
Odyssey Book V notes.] In the end of the Odyssey, as
psychopompos or psychagogos (
lit. soul leader: Hermes leads souls from dead bodies to the banks of the River Styx) Hermes leads the suitors to the Underworld.