Who is John Dunbar?

John Dunbar is a fictional character portrayed by Kevin Costner in the 1990 film "Dances with Wolves," directed by Costner himself. The character is a Union Army lieutenant during the American Civil War who seeks a new life on the frontier and develops a deep connection with a Lakota Sioux tribe. His journey explores themes of cultural understanding and the impact of colonization. The film is notable for its portrayal of Native American culture and perspectives.