Who meets the first-year students at the station in Harry Potter?

In "Harry Potter and the Philosopher's Stone," the first-year students are met at the train station by Hagrid, the Keeper of Keys and Grounds at Hogwarts. He helps them with their luggage and leads them to the boats that take them across the lake to Hogwarts. Hagrid's friendly demeanor offers a warm welcome to the new students as they embark on their magical journey.