The Leboni of Indonesia

The Leboni of Indonesia, numbering approximately 12,500 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia (Sulawesi), south Sulawesi, Luwu Utara District, Masamba subdistrict. They are an Indigenous people in the Kaili-Tomini of Sulawesi people cluster of the Malay Peoples affinity bloc. Their primary language is Rampi and their primary religion is Protestantism.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Leboni

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Kaili-Tomini of Sulawesi
Primary Language(s): Rampi (lje)
Primary Religion(s): Protestantism
Population: 12,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022827
View on Joshua Project

Pray for the Leboni of Indonesia

Join others around the world in praying for the lost to be saved, the gospel to advance, the global Church to grow, and for laborers to be sent out and sustained in the harvest.

Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

67%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Rampi
Language Family: Austronesian

76%
%
Rampi Speakers

Media Resources in Rampi:

Films:

Bible Resources in Rampi:

Or check out the Rampi bible at Bible.com

Linked from YouVersion

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 2), which means there are less than 2% evangelical Christian populations among which there are no known efforts focused on establishing self-sustaining churches consistent with evangelical faith and practice.
Lostness Priority Index (LPI): Significantly Reached People Group, (LPI: 6), > 20% or Greater Evangelical.
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical (GSEC: 6), this people group is greater than or equal to 10% evangelical

Next steps for the Leboni:
Begin signifcant prayer and fasting for this group
Send cross-cultural teams to discover and research this people group
Begin gospel seed sowing and church planting among this group

SPI: Unreached yet Engaged

The Leboni are Engaged yet Unreached, which means there are less than 2% evangelical Christian populations but there are sustained efforts at establishing self-sustaining churches consistent with evangelical faith and practice.

Next steps for the Leboni:
Continue prayer and fasting for this group
Continue gospel seed sowing and church planting among this group
Begin training up local leaders to lead and develop strategies to reach their own people

SPI: No longer Unreached

The Leboni are No Longer Unreached, which means there are more than 2% evangelical Christian populations and there are churches consistent with evangelical faith and practice. There is still more to be done among them.

Next steps for the Leboni:
Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Leboni of Indonesia

Have mercy on me, O God, according to your steadfast love; according to your abundant mercy blot out my transgressions.
readPsalm 51:1

Give thanks to God that He is able to forgive all the sins people might commit, and pray that many who don't yet know this will hear the good news and turn to Him for mercy.

As for what was sown on good soil, this is the one who hears the word and understands it. He indeed bears fruit and yields, in one case a hundredfold, in another sixty, and in another thirty.
readMatthew 13:23

Pray that their hearts will have good soil that receives the Word, understands it, and bears fruit for God's kingdom.

All this is from God, who through Christ reconciled us to himself and gave us the ministry of reconciliation.
read2 Corinthians 5:18

Pray that as people place their faith in Christ, they will serve as God's ambassadors, sharing the message of reconciliation with others.

For as in one body we have many members, and the members do not all have the same function, so we, though many, are one body in Christ, and individually members one of another.
readRomans 12:4-5

Ask God to send believers to people in other cultures and to help them use their gifts in harmony with others so that the body of Christ may be built up.

Leboni, Rampi Across Countries (ROP3 - 115417) reported in the following countries:

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

Peoplegroups.org relies on updates from the field and other organizations for much of our data, so if you have any updates, please contact us. We use various international naming standards. For a list of these standards and fields, visit our Definitions page.

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