outsider as savior

His films like 'Seven Samurai' and 'Rashomon' repeatedly feature outsiders and wanderers who arrive to save communities through their unique skills and perspective.

His Westerns consistently portray solitary outsiders (often reluctant heroes) who bring justice and salvation to frontier towns through moral courage.

His films like 'Parasite' and 'Snowpiercer' explore how marginalized outsiders infiltrate and disrupt systems, becoming unexpected agents of change and revelation.