Plebe (noun)

1. A freshman cadet at a military academy or college.
2. An inexperienced or unsophisticated person.

Origin:

From latin plebeius "of the plebs", from plebs "the common people".

Examples:

1. He was a plebe at the United States Military Academy at West Point.
2. The plebes are required to memorize a lot of information during the first year.
3. She felt like a plebe when she first started her job as a software engineer.
4. The plebe was hazed by the upperclassmen as part of the initiation process.
5. He was often teased as a plebe because he was not familiar with the customs of the academy.