Rejang people customary law, severe penalties such as adultery are provided; which is in line with Islamic laws that makes it easier for the Rejang people and also one of the earliest people group to convert to Islam. In the present era, despite a number of them still adhere to traditional cultural practices, many Rejang people have received higher education and have been represented in various modern skilled professions or as government employees. There are a few festivals that are celebrated by the Rejang people especially, "Rayo" or "Idulfitri", "Rayo Ajai" or "Iduladha", annual celebration of each Regencies as well as Indonesian
Lisela people people. This is due to active contact with the Lisela people living along the coastal areas with outsiders from other parts of Indonesia who settled in the Buru Island since the beginning of the 20th century. As a result the natives gradually shift to the usage of the official language of Indonesia, Indonesian or the Ambon dialect of Malay language (Ambonese Malay), a fairly common lingua franca among the Moluccans which is a simplified Indonesian language with additions of the local lexicon. The vast majority of Lisela people are Sunni Muslims. There is also a small Christian community that makes