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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

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Bible Resources in Malay, Papuan:

Provided by Faith Comes by Hearing

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

Linked from YouVersion

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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

For by him all things were created, in heaven and on earth, visible and invisible, whether thrones or dominions or?rulers?or authorities—all things were created through him and for him.
readColossians 1:16

Pray for those who are lost among them, that they will come to know the One who created all things and holds all things together.

And he said to the woman, “Your faith has saved you; go in peace.”
readLuke 7:50

Pray for the good news of Jesus Christ to reach many so that they can place their faith in Him and have lasting hope.

For the LORD, the Most High, is to be feared, a great king over all the earth.
readPsalm 47:2

Pray that as people place their faith in Christ, they will exalt the Lord, recognizing His reign over the nations and His sovereignty over all things.

For great is the Lord, and greatly to be praised; he is to be feared above all gods.
readPsalm 96:4

Pray that God will raise up believers to declare His glory among the lost, so that they may know that He is great and greatly to be praised, that He is exalted above all gods.

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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