Polyglot (noun)

A person who is able to speak or write several languages fluently.

Origin:

Mid 17th century: from french polyglotte, from greek poluglōttos, from polus "many" + glōtta "tongue".

Examples:

1. She was a polyglot and could speak five different languages fluently.
2. He was a polyglot, he could speak several languages like English, French, Spanish and German.
3. The polyglot was able to communicate with people from different countries with ease.
4. The polyglot had a strong advantage in the international business world.
5. The polyglot's language skills were highly valued by the United Nations.