The lowest in the Korean social hierarchy was the chonmin.
Option D) chonmin.
In theory, there were three social classes, but in reality, there were four. The highest rank was the yangban, or "learned aristocrats," the commoners were called Changmin or Changmin, and the lowest rank was the Kemin. There was a person though considered disrespectful in many cultures, in Korea the issue of age is a social contract that establishes a pecking order between speakers.
Respect for age and status is very important in Korean culture because hierarchy affects all aspects of social interaction. Hierarchies give everyone a role in society. So it's important to respect that. Koreans are most comfortable interacting with people they consider their peers.
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