is he referred as a tragic hero?
Yes, he achieved heroic stature" in a quest romance,  his role in "Lord of the Rings": "The greatest hero of all,  Frodo Baggins, is also the most tragic
Frodo Baggins
The Tolkien scholar Jane Chance quotes Randel Helms's view that in both "The Hobbit" and "Lord of the Rings", "a most unheroic hobbit [Bilbo, Frodo] achieves heroic stature" in a quest romance. Chance writes that Frodo grows from seeing the threat as external, such as from the Black Riders, to internal, whether within the Fellowship, as shown by Boromir's attempt on the Ring, or within himself, as he struggles against the controlling power of the Ring.

The Tolkien scholar Verlyn Flieger summarizes Frodo's role in "Lord of the Rings": "The greatest hero of all, Frodo Baggins, is also the most tragic. He comes to the end of his story bereft of the Ring, denied in his home Shire the recognition he deserves, and unable to continue his life as it was before his terrible adventure."
when did sam take the ring from frodo Sam rescues Frodo from the Orcs. After a brief confrontation in which Frodo becomes enraged that Sam has taken the Ring who is frodo? He is a fictional character and one of the protagonists in "The Lord of the Rings".He is a hobbit of the Shire who inherits the One Ring from his cousin Bilbo Baggins and undertakes the quest to destroy it in the fires of Mount Doom in Mordor. what kind of personality does he have? Courage, selflessness, and fidelity
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Frodo Baggins [SEP] Tragic hero
The Tolkien scholar Jane Chance quotes Randel Helms's view that in both "The Hobbit" and "Lord of the Rings", "a most unheroic hobbit [Bilbo, Frodo] achieves heroic stature" in a quest romance. Chance writes that Frodo grows from seeing the threat as external, such as from the Black Riders, to internal, whether within the Fellowship, as shown by Boromir's attempt on the Ring, or within himself, as he struggles against the controlling power of the Ring. The Tolkien scholar Verlyn Flieger summarizes Frodo's role in "Lord of the Rings": "The greatest hero of all, Frodo Baggins, is also the most tragic.