Final answer:
Option (2), The narrator of 'Invisible Man' by Ralph Ellison is the protagonist, who remains unnamed and describes his experiences in a first-person narrative.
Step-by-step explanation:
The narrator in the book Invisible Man by Ralph Ellison is the protagonist of the story, who remains unnamed throughout the novel. The use of a first-person narrative serves to immerse the reader in the personal experiences and internal thoughts of the protagonist, emphasizing the themes of identity and invisibility.
This protagonist navigates a world filled with racism and seeks to find his place and purpose, thereby directly involving the reader in an intimate exploration of the character's journey.