Who is Hermes and what was his mission in odyssey?

Hermes is a messenger god in Greek mythology, known for his speed and cunning. In Homer's "Odyssey," his primary mission is to guide the souls of the deceased, including that of Odysseus's mother, to the Underworld. Additionally, he assists Odysseus by providing him with vital information and protection, such as giving him the herb "moly" to ward off Circe's magic. Hermes plays a crucial role in facilitating Odysseus's journey home.