It argues for an expanded public role for the vernacular language as an authentic expression of Tunisian identity and culture.
The Derja Association holds an annual conference, scheduled to coincide with International Mother Language Day.
Association president, Ramzi Cherif, has described the purpose of these conferences as "raising the value and recognition of Tunisian" as well as developing it into an "independent" language.
Abdelaziz El Aroui told traditional Tunisian folktales on his popular radio (and later television) programs.
Hedi Balegh was a pro-vernacular advocate from the late 20th century who, in addition to other contributions, translated Le Petit Prince into Tunisian Arabic.