The Abau (often referenced in older literature as Green River) occupy riverine and floodplain zones along the southern bank of the upper Sepik in Sandaun (West Sepik) Province, with territory extending toward the international border. The ethnonym "Abau" was applied by researchers and appears in linguistic literature; local origin stories and oral histories record movements and settlement shifts within the Sepik system. Linguistically Abau belongs to the Sepik-Ramu (Non-Austronesian) grouping and is noted in descriptive accounts for its tonal features and its historical relationships with neighboring Sepik languages. Traditional settlement patterns emphasized autonomous village units with strong local identities and inter-village trade ties along river routes.
Abau communities live in riverine villages and adjacent floodplain areas where daily life centers on horticulture, fishing, and seasonal resource gathering. Gardens produce root crops and other staples suited to riverine soils and swamp margins; fishing and riverine transport are important for food and exchange. Social organization is built around extended kin groups and village leadership; communal labor and reciprocal exchange govern planting, housebuilding, and ceremonial obligations. Canoe travel and footpaths connect Abau settlements with neighboring language groups, facilitating trade and social ties. Tok Pisin and regional lingua francas are used for wider communication, while Abau remains central in many local contexts. Access to formal education and health services varies by village and often requires travel to larger centers.
Mission contacts and outside administrative presence in the 20th century brought new religious influences to the Sepik region. Documented accounts note church activity and the presence of mission workers in areas adjacent to Abau territory. Almost all of them identify as Christians. Where community records and regional surveys report religious affiliation, church institutions have become part of social life in many riverine Sepik communities. Descriptions of customary ritual, clan observances, and local moral frameworks are also recorded in ethnographic sources.
Abau communities face needs common to remote Sepik riverine areas: more reliable access to primary and secondary education; consistent basic healthcare and maternal/child services; improved transport and infrastructure to reduce isolation during seasonal flooding; and support for sustainable management of riverine and floodplain resources. Language documentation and community literacy initiatives help maintain Abau linguistic and cultural knowledge as younger people engage with Tok Pisin and external opportunities. Community-led development that strengthens local leadership, market access, and resilient food systems would support long-term well-being.
Pray for Abau believers to grow in faith and to be equipped as Christian workers who serve neighboring river communities. Pray for improved access to healthcare and for safe, reliable transport during seasonal floods. Pray for strengthened educational opportunities and resources for children and youth. Pray for the preservation of Abau language and cultural knowledge among the next generation.
Scripture Prayers for the Abau, Green River in Papua New Guinea.
| Profile Source: Joshua Project |


