A more thorough explanation:

peregrinus

In ancient Rome, a peregrinus was a person who was not a Roman citizen but was still a free person. They were considered to be a free foreigner.

1. A person from Greece who was living in Rome during ancient times would be considered a peregrinus.

2. A traveler from Egypt who was visiting Rome would also be considered a peregrinus.

These examples illustrate the definition of peregrinus because they both show individuals who were not Roman citizens but were still free people. They were considered to be foreigners in Rome and were not entitled to the same rights and privileges as Roman citizens.