Kadazans people known as Kadazandusun. By reasons of similarities in culture and language with Dusun ethnic minorities, therefore Kadazan-Dusun describes as a new term allocated to the unification of the categorization of two indigenous ethnic minorities in Sabah, Malaysia which are Kadazan and Dusun. Generally, they are live in west coast of Sabah and covered the surrounding local area, and different locations in the interior. The total population of Kadazandusun in Malaysia has reached 568,575. Dusun and Kadazan are the primary language spoken by Kadazans. Malay language would be the second language spoken by Kadazans. Kadazandusun languages are very difficult to learn due to the grammar, syntactic and linguistic. So, it is difficult to teach efficiently at schools through formal methods. It has to learn Kadazandusun languages through informal methods such as conversation, or commonly speaks with parents; it is because they have their actual Kadazan accent and speak their mother tongue.
In Malaysia, the official religion is Islam, but there are freedom of beliefs is respected. In Sabah, it is possible to discover that there are several of Kadazandusuns religious beliefs. Most of Kadazandusuns are Christians and the majority of Christian Kadazans are mainly on Roman Catholics and followed by Protestants, Anglicans, and other Christian religious beliefs. The minorities of Kadazandusuns are Islam. There are a number of Kadazandusuns are still practised a belief which is animism as the primary religion. Animistic beliefs are believe in every object has a spirit called Kinoingan. As an example, they believed that a tree or plant has a guardian spirit. In addition, animistic beliefs involve with rice. Kadazandusuns believe that spirits controlled the planting and harvesting of rice. On the Harvest festivals, they have a tribal priestess which known as a bobohizan who carry on the rituals before and after for each harvest.
The Nunuk Ragang legend began from a place called “Nunuk Ragang” which located at Tampias three rivers called Liwagu, Takashaw, and Gelibang merge to the east of Ranau and Tambunan. The origin Dusun word of Nunuk means “Bayan Tree” and Ragang was originated from the word of “Aragang” which means red in colour. In the meantime, the name of Nunuk Ragang became an iconic of the Kadazandusuns of Sabah who believes that Nunuk Ragang is “the origin” they originated from this place.