Baduy people language are similar to the general Sundanese people population. One of the differences is their beliefs and lifestyle. The Kanekes people isolate themselves from the outside world influences and strictly preserve their traditional lifestyle, while the Sundanese people are much more open to outside influences and majority of them embraces Islam. Generally, the Baduy are divided into three groups, namely "Tangtu", "Panamping" and "Dangka". The community of villages in which they live are considered "mandalas", derived from the Hindu/Buddhist concept but referring in the Indonesian context to places where religion is the central aspect of life. The first group, "Tangtu"
Kayeli people there were approximately 800 people left by the early 21st century. In regards to religion, majority of the them are Sunni Muslims, with some remnants of pagan beliefs. Representative of the ethnic group have completely lost their native Kayeli language by the end of the 20th century as they began to adopt other indigenous Buru languages or Indonesian language. Ethnogenesis of Kayeli is directly associated with the colonization of the Buru island by the Dutch East India Company in the 17th century. In 1658, the first permanent Dutch settlement and a military fort were built at the southern coast of