What role did Hermes play in aiding Odysseus during his journey in the epic poem "The Odyssey"?

Hermes, the messenger god in Greek mythology, aided Odysseus in "The Odyssey" by helping him escape from the island of the nymph Calypso. Hermes was sent by Zeus to deliver a message to Calypso to release Odysseus, allowing him to continue his journey back home to Ithaca.