The term "Muyu" emerged from two possibilities: first, it appeared along with the arrival of the Catholic missions and Father Petrus Hoeboer, a Dutch national, in 1933.

The soil is relatively infertile, with a slightly reddish-brown color, which often leads to food shortages among the Muyu people, resulting in a high mortality rate in the area.

The main livelihoods of the Muyu people are hunting, raising pigs and dogs, fishing, and producing sago.

The distinction between the two lies in the amount of tukon (valuable items) such as ot they possess and their knowledge of mystical powers.

While Tomkot has inadequate knowledge of mystical powers and does not own many valuable items, he lives a simple life and holds influence within his lineage.

[2] The nuclear family plays a role in managing the methods of controlling assets and land, ways of obtaining food, organizing settlement patterns, and having authority over territories larger than the lineage, as well as passing on supernatural knowledge.