WHO IS Chiang in the story of Jonathan livinston seagull?

In "Jonathan Livingston Seagull" by Richard Bach, Chiang is an older, wise seagull who serves as a mentor to Jonathan. He teaches Jonathan about the deeper aspects of flight and the importance of self-discovery and pursuing one's passions. Chiang embodies the idea that true freedom comes from understanding and embracing one's individuality. His guidance helps Jonathan to transcend the limitations imposed by the flock and to realize his potential.