“Rikki-tikki-tavi Argumentative Essay” The big idea and or the moral or lesson of the story is the theme. In the story “Rikki-tikki-tavi” by Rudyard Kipling, the author reveals to the readers that in order to be a hero, you have to face your fears and be brave in life. The family would be in danger without Rikki protecting them from Nag and Nagaina, the viscous cobras. Rikki-tikki had to overcome his fears and be brave by fighting the beasts. For that reason, I think this is a great theme for the