Unlike most ethnic groups of the Senegambian region, the Jola do not have caste system of Jewels griots, slaves, nobility, leather workers, etc. Their communities are based on extended clan settlements normally large enough to be given independent names, including the Jola Karon, Jola Mlomp, Jola Elinnkin, Jola Caginol, Jola Huluf, Jola Jamat, Jola Joheyt, Jola Bayot, Jola Brin, Jola Seleky, Jola Kabrouse, Jola Jiwat, and Jola Foni. Jolas are also able herbal medicine practitioners. Their high adaptation to the nature and environment allowed them to be able to create musical centred civilisation, natural medicine centred civilisation, and most important of all, rice cultivation centred civilisation which they do effectively by using a locally made farming tool called the .