How does darzee assist Rikki tikki?

Darzee, the tailor bird, assists Rikki-Tikki-Tavi by providing him with valuable information about his surroundings, particularly regarding the dangers posed by the cobras, Nag and Nagaina. He alerts Rikki-Tikki to their presence and shares details about their plans, which helps Rikki-Tikki strategize his attacks. Additionally, Darzee offers moral support, cheering Rikki-Tikki on during his battles against the snakes.