However, you could use these terms:
* French speaker: This is the most straightforward and widely understood description.
* Fluent French speaker: This emphasizes their fluency in the language.
* Native French speaker: This indicates they grew up speaking French as their first language.
* Francophone: This term refers to anyone who speaks French, regardless of their native language.
The best term to use depends on the specific context and the level of formality you want to achieve.