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Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
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Portugese - Português | Russian - Русский
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PEOPLE GROUP PROFILE

The Massep of Indonesia

The Massep of Indonesia, numbering approximately 90 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary language is Malay, Papuan and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Indonesia
People Cluster: New Guinea
Primary Language(s): Malay, Papuan (pmy)
Primary Religion(s): Protestantism
Population: 90
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022985
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Pray for the Massep 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!
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Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

50%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Malay, Papuan
Language Family: Austronesian

100%
%
Malay, Papuan Speakers

Media Resources in Malay, Papuan:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Malay, Papuan:

Provided by Faith Comes by Hearing

Or check out the Malay, Papuan bible at Bible.com

Linked from YouVersion

View all resources

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% 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 Massep:
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 Massep 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 Massep:
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 Massep 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 Massep:
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 Massep of Indonesia

The LORD has heard my plea; the LORD accepts my prayer.
readPsalm 6:9

Pray that lost people will hear the gospel and place their faith in Christ, knowing that He hears their plea and accepts their prayer.

Praise him for his mighty deeds; praise him according to his excellent greatness!
readPsalm 150:2

Pray for the gospel to advance among those who are living in darkness. Pray that they will come to know Jesus and praise Him for all that He has done.

I appeal to you therefore, brothers, by the mercies of God, to present your bodies as a living sacrifice, holy and acceptable to God, which is your spiritual worship.
readRomans 12:1

Pray that as people place their faith in Christ, they will offer their bodies as living sacrifices, holy and acceptable to God, knowing that this is their spiritual worship.

Surely goodness and mercy shall follow me all the days of my life, and I shall dwell in the house of the LORD forever.
readPsalm 23:6

Ask God to raise up believers who will share the hope that, for those who trust in Christ, goodness and love will follow them all the days of their lives, and they will dwell in the house of the Lord forever.

Massep Across Countries (ROP3 - 106393) 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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