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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 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

For if while we were enemies we were reconciled to God by the death of his Son, much more, now that we are reconciled, shall we be saved by his life.
readRomans 5:10

Pray that any who may be enemies of God will grasp the depth of God's love demonstrated through Christ's death for the ungodly, and be reconciled to Him.

All the ends of the earth shall remember and turn to the LORD, and all the families of the nations shall worship before you. For kingship belongs to the LORD, and he rules over the nations.
readPsalm 22:27-28

Pray that entire families will turn to the Lord in repentance and faith, and that they will worship Him and declare His righteousness to the nations.

Oh, fear the LORD, you his saints, for those who fear him have no lack!
readPsalm 34:9

Pray that as people place their faith in Christ, they will be grounded in the Word, always trusting in the Lord's provision for their needs.

The steps of a man are established by the LORD, when he delights in his way.
readPsalm 37:23

Pray that believers from near and far will serve here and trust in the Lord's timing as He establishes their steps.

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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