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People group profile · PG022763

The Mamboru of Indonesia

The Mamboru of Indonesia, numbering about 12,500 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia.

They are an indigenous people in the Flores-Sumba-Alor people cluster of the Malay Peoples. Their primary religion is Animism, and they primarily speak Mamboru.

Pray for the MamboruPrint profile

AI-generated illustration representing the Mamboru people
AI-generated illustration, not a photograph. Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Mamboru

Fast facts

Country
Indonesia
Population
12,500
Affinity group
Asian Pacific Rim Peoples
People cluster
Flores-Sumba-Alor
Primary language
Mamboru (mvd)
Primary religion
Animism
Strategic Progress Index ?
No Longer Unreached
Evangelical
5% or Greater but Less than 10%
GSEC ?
5% or Greater but Less than 10% Evangelical
Lostness priority ?
Moderately Reached People Group
Region
South-Eastern Asia, Asia
Location
East Nusa Tenggara province: northwest Sumba island, coastal Memboro town

Where they live

Gospel status

The Mamboru are No Longer Unreached, which means 2% or more are evangelical Christians. In GSEC terms, this people group is greater than or equal to 5% evangelical.

  • Congregations exist Yes
  • Church planting in the last two years No Churches Planted

Next steps for the Mamboru

  • Pray for the churches among this group to grow in faithfulness and maturity
  • Equip believers to reach the unreached peoples around them
  • Send out laborers from this people to the nations

Primary religion

Animism · Ethnoreligion

50% adherents

Primary language

Mamboru · Austronesian family

100% speak Mamboru

Gospel resources in Mamboru

  • Bible not available
  • JESUS Film not available
  • Radio programs not available
  • Gospel recordings not available
  • Audio resources available
  • Bible stories not available

Find more at the JESUS Film Project, Bible.com and Faith Comes by Hearing.

Pray for the Mamboru

  1. Psalm 27:1. Pray that new believers will be strengthened in the face of persecution, with the Lord as their stronghold.
  2. Romans 12:4–5. Pray that believers from many cultures will work together as one body so that the church is built up.
  3. Revelation 7:9. Pray for the day when people from this group stand before the throne with every nation, tribe, people and language.
  4. John 17:3. Pray that many will come to know the only true God, and Jesus Christ whom he has sent.

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