This research was conducted to provide an overview of the economic dynamic of the community, especially housewives in island Koloray in an effort to fulfill livelihood. This study it might be able to provide information that can be used to solve the problems of livelihood of fishing communities in small island. This study uses ethnographic approach. The data collected is secondary and primary data. The interview, discussion, and observation occurs more when the researcher is involved in the activity or when the informant is making, or selling the cake, it is not uncommon for an interview to occur while eating lunch, dinner and breakfast. Based on the verification of work, there are economic activities of housewives are ula-ula, making snacks, kiosk, wickerwork and saving. This activity was carried out so that they could increase the livelihood of the household. These activities depend on each other. Snack depends on the results of ula-ula, keeping the stall also done if there is not ula-ula activity, as well as plait the mat.

The position of the Jayapura region is bordered by the State of Papua New Guinea and the Papua Strait, strategically as a route for alcohol and drug trade transactions, making it easier for street children to consume it. Unlike the phenomenon of street children in general, the typical characteristics of street children in Jayapura do not show differences in behavior with other children. Most street children are children aged <17 years. Therefore this study examines the factors that cause street children in the South Jayapura District, Jayapura City. This research uses descriptive qualitative method, with the Focus Group Discussion (FGD) data collection method in the community of street children. Based on the results of the analysis of the factors causing street children in Jayapura City, Jayapura District South, are environmental factors, economic factors and family factors. 1) Environmental factors, because the influence of peers at school and the influence of residence dominates its influence on the association of children who deliver them to be street children. 2) Family economic factors, street children who were originally looking for additional income for families by trading on the streets (hawkers, newspaper deliverymen), but along with the continuity of the routine process carried out on the streets, then they become accustomed to living as street children. 3) Family factors that dominate the cause of being street children because they do not get the attention and affection from their parents.

By relying on the people's livelihood through agricultural processed is certainly result on a threat to crop farmers, for it is important in applying the concept of biosecurity in an effort to protect the biological durability. Kanike community that exist in isolated conditions shall protect their biological resilience by not using pesticides and other chemicals, but applied on using secondhand materials, leaves and also the application of traditional values in society. This concept come out from the local knowledge of they community based of local wisdom. This local wisdom has gone over generations on them because of the legacy from the ancestors, the inheritance that happen through knowledge sharing and also experience in observing the process undertaken by their ancestors, in this way greatly help the Kanike community who is still in isolated area to maintain their sustainable livelihood.