The term 'Ethnicus' in Roman society differed from 'Ethnos' as it referred to any group within the Roman Empire based on citizenship, not education or living status.
Ethnicus differed from ethnos in meaning as it was used to describe any group that was part of the Roman Empire, rather than indicating the most highly educated people in Rome or a group of people living outside Roman society. Romans had a multicultural society where citizenship, not skin color, determined one's status and importance, allowing even slaves to become full citizens over time.
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