Legionary (noun)

1. A member of a Roman legion.
2. A soldier in a legion, especially one of the Roman army.
3. A person who belongs to a large group or organization.

Origin:

Late 16th century: from latin legio (genitive legionis) "a legion", + -ary.

Examples:

1. The legionary was well-trained and highly disciplined.
2. The legionary was equipped with a sword, a shield, and a distinctive uniform.
3. The legionary played a crucial role in expanding the Roman empire.
4. The legionary was known for his bravery and loyalty to the emperor.
5. The legionary was proud to serve in the Roman army and defend his country.