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Amharic - አማርኛ | Arabic - عربي
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PEOPLE GROUP PROFILE

The Sumba Timur of Indonesia

The Sumba Timur of Indonesia, numbering approximately 285,000 people, are No Longer Unreached. They are a dialect subgrouip of Kambera (xbr), a language of Indonesia They are an Indigenous people, in the Flores-Sumba-Alor people cluster of the Malay Peoples affinity bloc. Their primary religion is Christianity - Protestantism. They primarily speak Kambera.

Sumba Timur in Indonesia photo
Photo courtesy of Joshua Project. Photo Source: Mia DeFilippo

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Indonesia
People Cluster: Flores-Sumba-Alor
Primary Language(s): Kambera (xbr)
Primary Religion(s): Christianity - Protestantism
Population: 285,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022744
View on Joshua Project

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Dig Deeper (Religion):

Primary Religion: Christianity - Protestantism
Religious Affiliation: Christianity

%
Christianity - Protestant… Adherents

Dig Deeper (Language):

Primary Language: Kambera
Language Family: Austronesian

%
Kambera Speakers

Media Resources in Kambera:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Kambera:

Provided by Faith Comes by Hearing

Or check out the Kambera bible resources at Bible.com

Linked from YouVersion

View all resources

Next steps for the Sumba Timur

The Sumba Timur are Unengaged and Unreached, 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.

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

Next steps for the Sumba Timur

The Sumba Timur 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.

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

Next steps for the Sumba Timur

The Sumba Timur 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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Sumba Timur of Indonesia

Truly, I say to you, whoever does not receive the kingdom of God like a child shall not enter it.
readMark 10:15

Pray for those who might be trapped in pride, that God will humble them and give them a childlike faith and complete dependence on Him through faith in Christ.

“Worthy are you, our Lord and God, to receive glory and honor and power, for you created all things, and by your will they existed and were created.”
readRevelation 4:11

Pray that the good news will advance and people will recognize and worship the One who created all things by His will, giving glory and honor to Him alone.

Seek the LORD and his strength; seek his presence continually!
readPsalm 105:4

Pray that as people place their faith in Christ and may feel weak in their current circumstances, they will seek the Lord's presence and persevere in the Lord's strength.

So then it depends not on human will or exertion, but on God who has mercy.
readRomans 9:16

Ask God to raise up people who will trust in His sovereignty as they share the gospel, knowing that it depends not on human will or exertion, but on God who has mercy.

Sumba (ROP3 - 114440) 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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