What does Rikki contribute to the of the family and th creatures in the garden?

Rikki, the mongoose in Rudyard Kipling's "Rikki-Tikki-Tavi," contributes bravery and protection to the family and the garden's creatures. His fearless nature enables him to confront and eliminate threats, particularly the cobras Nag and Nagaina, thereby ensuring the safety of the family and other animals. Rikki also fosters a sense of harmony in the garden, as he navigates conflicts and helps maintain peace among its inhabitants. Through his actions, he embodies loyalty and courage, solidifying his role as a guardian.