Download the People Group List (16 languages .csv)

Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
Be sure to use the data import function in your favorite app for working with data.
If you'd like to help improve these translations, Contact Us.

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

Prayer Card
Submit Updates

Pray for the Sumba Timur 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.

Pray Now!
Download Prayer Guide

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

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

The afflicted shall eat and be satisfied; those who seek him shall praise the LORD! May your hearts live forever!
readPsalm 22:26

Pray that the lost will feel a deep hunger for God, be drawn to Him in their affliction, and find lasting satisfaction and salvation in Him alone.

Let the peoples praise you, O God; let all the peoples praise you!
readPsalm 67:5

While there are many who do not yet praise God, pray that He will work in their lives, advance the gospel among them, and bring many to saving faith in Christ.

“The LORD is my portion,” says my soul, “therefore I will hope in him.”
readLamentations 3:24

Pray that as people place their faith in Christ and walk through trials, they will be satisfied with the Lord as their portion and will place all their hope in Him.

Beloved, I pray that all may go well with you and that you may be in good health, as it goes well with your soul.
read3 John 1:2

Ask God to grant protection and good health — both physical and spiritual — to those He sends cross-culturally to share the gospel.

Sumba reported in the following countries (ROP3):

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.

Scroll to Top