General terms:
* Vernacular artist/writer/creator: This is a straightforward and accurate description.
* Folk artist/writer/creator: This term is often used for traditional art forms, but can also apply to contemporary work in a vernacular style.
* Local artist/writer/creator: This emphasizes the geographical origin of the work.
More specific terms:
* Dialect poet/writer: For someone writing in a specific regional dialect.
* Street artist/writer: For someone working in a vernacular style that is associated with urban or street culture.
* Indigenous artist/writer/creator: For someone working in the traditions of their indigenous culture.
* Popular artist/writer/creator: This term is sometimes used for vernacular work that is widely accessible and enjoyed by a large audience.
Additional considerations:
* The context of the work is important. For example, a "vernacular poet" might be different from a "vernacular filmmaker."
* The specific language or dialect used is also a factor. A writer who works in the vernacular of a specific region might be called a "dialect writer."
Ultimately, the best term to use depends on the specific situation and the nuances of the work being described.