Solomon Islands’ Indigenous Diplomacy

Writer, Gordon Leua Nanau, recently wrote an interesting article for the Solomon Times about how Pacific leaders should look to Guadalcanal’s system of popo and supu diplomacy as examples of how to utilize local practices to address national problems.

As Solomon Islands emerges from the period of civil unrest known as ‘the Tensions’ (1998–2003), and the subsequent Regional Assistance Mission to Solomon Islands (RAMSI), which ended in 2017, many within the country are looking for new ways to strengthen the state and reconcile long-held grievances.

To this end, it is becoming increasingly apparent that oft-overlooked local forms of diplomatic practice, which can be broadly classified as Oceanic diplomacy, have much to offer.

One such practice is the longstanding and effective diplomatic system that has existed between tribes, clans, and individuals in Guadalcanal, Solomon Islands, which we might call the popo and supu system. At its core are food exchanges, feasting, and presentation of valuables. These are done through crafted popo – a wooden bowl filled and decorated with cooked food – or supu – a heap of uncooked food and live pigs – with reciprocal protocols that maintain community integrity.


Old photo of Solomon Islander with feast bowl. Photo from

While the popo and supu system continues to play a significant role in managing relations between people across Guadalcanal, the Solomon Islands state has also adopted elements of the system in its efforts to resolve conflicts within the state as well as in its external diplomatic rituals.

Supu diplomacy is practised throughout Guadalcanal, although the popo option is mostly used in the Lengo region of Guadalcanal. Guadalcanal diplomacy is premised on two foundational creeds: kukuni (respect) and kininima (reverence) that ensure peaceful coexistence, compassion, and relationships. Popo and supu are two variations of presenting food and valuables epitomizing a complex mix of underlying principles, values and relational affiliations founded on kukuni and kikinima.

In Lengo, supu is for lower-order and urgent events – such as compensation for swearing – while popo is a higher-order ceremony that takes time to prepare. There are events where both popo and supu are required, especially when reconciling highly charged disputes resulting in injury or death.

Popo and supu play key roles in negotiations, arbitration, compensation, and reconciliation. While popo and supu can be a manifestation of power, status, fame, humility, and celebration, they can also be expressions of remorse, forgiveness, and reconciliation.


A Solomon Islands bowl. Photo from

The importance of these diplomatic rituals is heightened, due to the understanding that in situations of maltreatment, it is not just the individual offender or victim that is affected but their entire family and clan. The threats, shame, humiliation, hardship, pain, and guilt affect members of both sides. When not resolved through popo or supu, levu ni-mate (enmity) remains and could result in paybacks, further acts of humiliation and, in extreme cases, sura (raids/tribal war).

Problems are solved and people make amends through popo and supu exchanges that herald normalcy and legitimize peace. Reconciliation in the spirit of popo and supu is to mend intra- and inter-personal relationships broken because of the neglect of kukuni and kikinima.

While this form of Oceanic diplomacy is alive in Guadalcanal, the Solomon Islands state is increasingly calling on it to resolve differences between groups, commemorate important events, build new relationships, and reinvigorate existing ones.

For example, the Solomon Islands Government has in recent years incorporated supu into official national welcoming ceremonies. This was seen in 2019 when the heir to the British throne, Prince Charles, visited Solomon Islands and was presented a supu in welcome. Likewise, in 2018 at the opening of the sixth Melanesian Arts Festival, participants from Papua New Guinea, Fiji, Vanuatu, New Caledonia, East Timor, Australia, and Taiwan were presented a supu to welcome and accept them.

Moreover, both popo and supu have been used to mark the commencement of major national projects, in order to build relationships between stakeholders and ensure cooperation.

Modern state institutions have also used these practices to reconcile conflicting parties, especially where lives and properties were destroyed. Years after the Tensions, the state reconciled with members of the Marasa community on the Weather Coast of Guadalcanal. This involved perpetrators revealing their remorse and seeking forgiveness by presenting supu, while the victims also presented supu to accept the apology. Such occasions are always two-way exchanges, as any party not reciprocating may be deemed disingenuous.

Finally, in a notable example of this diplomacy being used to reconcile both inter and intranational actors, RAMSI also used supu to successfully appease a situation where a soldier shot and killed a local community leader during a fight. Presenting a supu signifying titi ulu (absolving one’s head) to the family of the deceased, then RAMSI special coordinator Graeme Wilson said, “I assure you all of our sincere and heartfelt condolence on this sad occasion”.


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