Simple:
* The ambassador is a polyglot, fluent in five languages.
* The conference was attended by a diverse group of polyglots.
More complex:
* Her polyglot skills allowed her to easily navigate the bustling marketplace.
* The research paper explored the impact of the internet on the development of polyglot communities.
* Despite being raised in a monolingual household, she became a polyglot through extensive travel and language study.
Figurative:
* The city's vibrant culture was a polyglot tapestry, weaving together influences from around the world.
Note: "Polyglot" can be used as both a noun and an adjective.
* Noun: He is a polyglot. (referring to the person)
* Adjective: She has polyglot skills. (referring to the skills)