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
Ambelau people cultural, social and economic ties with Ambelau island. Ambelau minorities also live in other parts of Buru, on Ambon and other Maluku Islands and in Jakarta. During the Dutch colonization in the first half of the 17th century, most Ambelau people were forced to move to Buru to work on the Dutch spice plantations. The nation speaks Ambelau language, which belongs to the Central Maluku branch of the Malayo-Polynesian languages. Most of Ambelau people also speak Indonesian or Ambonese Malay ("Melayu Ambon"), which is a creolized form of Malay. The vast majority are Sunni Muslims with a small fraction of