Being the herald and messenger of the gods, travelling from place to place and concluding treaties, implied the impression that he was the supporter of social communication, commerce among men, and that he was friendly towards man. He occasionally tricked the other gods in an effort to protect humans.
-Hermes was known for his helpfulness to mankind, both in his capacity as immortal herald and on his own initiative. When Perseus set out to face the Gorgon Medusa, Hermes aided him in the quest. He loaned the hero his own magic sandals, which conferred upon the wearer the ability to fly and a helmet of invisibility as well. Also known as the helmet of darkness, this was the same headgear that Hermes himself had worn when he vanquished the giant Hippolytus. This was on the occasion when the gargantuan sons of Earth rose up in revolt against the gods of Olympus.
-Helped Perseus plan and slay Medusa, including giving him the sword needed to cut off Medusa's head, guiding him through the Hyperboreans' land where most travelers perish, and flying him personally to the land where the Gorgons