Answer: Gandalf is a wizard. Bilbo seems to admire him with his works.
Who is Gandalf? What seems to be Bilbo's opinion of him?

Gandalf is a protagonist in J. R. R. Tolkien's novels The Hobbit and The Lord of the Rings. He is a wizard one of the Istari order and the leader and mentor of the Fellowship of the Ring. Tolkien took the name "Gandalf" from the Old Norse "Catalogue of Dwarves" in the Völuspá. As a wizard and the bearer of a Ring of Power Gandalf has great power but works mostly by encouraging and persuading. He …

During his adventure Bilbo often refers to the contents of his larder at home and wishes he had more food. Until he finds a magic ring he is more baggage than help. Gandalf an itinerant wizard introduces Bilbo to a company of thirteen dwarves.

Gandalf appears at the centre of the battlefield as the Battle of Five Armies is about to start. In the book he appears at the last of the meetings with Thorin Bard and the Elvenking. The armies in the Battle of Five Armies are divided differently (Bilbo counts the Goblins and War...