How does the author use darzee and chuchundra to call attention to Rikki?

The author uses Darzee and Chuchundra as minor characters who highlight Rikki-tikki-tavi's bravery and resourcefulness. Darzee, the tailorbird, celebrates Rikki's victories with his song, while Chuchundra, the muskrat, demonstrates fear and cowardice, contrasting with Rikki's courage in facing danger. These characters serve to emphasize Rikki's heroic qualities and reinforce his role as the story's protagonist.