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PEOPLE GROUP PROFILE

The Mandyak of Guinea-Bissau

The Mandyak of Guinea-Bissau, numbering approximately 114,000 people, are Engaged yet Unreached. They are an ethnolinguistic group indigenous to Guinea-Bissau, Senegal, and the Gambia and can also be known as Manjaco. They are an Indigenous people, in the Atlantic people cluster of the Sub-Saharan African affinity bloc. Their primary religion is Ethnoreligion - Animism. They primarily speak Mandjak.

Mandyak in Guinea-Bissau photo
Photo courtesy of Joshua Project. Photo Source: Copyrighted ©️ 2025 Kerry Olson Used with permission

Fast Facts:

Affinity Group: Sub-saharan Africa Peoples
Country: Guinea-Bissau
People Cluster: Atlantic
Primary Language(s): Mandjak (mfv)
Primary Religion(s): Ethnoreligion - Animism
Population: 114,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG013467

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Dig Deeper (Religion):

Primary Religion: Ethnoreligion - Animism
Religious Affiliation: Ethnoreligion

%
Ethnoreligion - Animism Adherents

Dig Deeper (Language):

Primary Language: Mandjak
Language Family: Niger-Congo

%
Mandjak Speakers

Media Resources in Mandjak:

Films:

Provided by the Jesus Film Project

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Bible Resources in Mandjak:

Provided by Faith Comes by Hearing

Or check out the Mandjak bible resources at Bible.com

Linked from YouVersion

View all resources

Next steps for the Mandyak

The Mandyak 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 Mandyak

The Mandyak 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 Mandyak

The Mandyak 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 Mandyak of Guinea-Bissau

And Samuel said to Saul, “You have done foolishly. You have not kept the command of the Lord your God, with which he commanded you."
read1 Samuel 13:13a

Pray that those who are walking in disobedience will recognize their sin and to turn to God.

And when they saw it, they made known the saying that had been told them concerning this child.
readLuke 2:17

Pray that the lost will receive the good news of salvation in God's Son, have hearts eager to share it with others, and that all who hear will respond with wonder and faith!

I lay down and slept; I woke again, for the LORD sustained me. I will not be afraid of many thousands of people who have set themselves against me all around.
readPsalm 3:5-6

Pray that as people place their faith in Christ and experience isolation or other persecution, God will sustain them and give them confidence and rest in Him.

Say among the nations, “The LORD reigns! Yes, the world is established; it shall never be moved; he will judge the peoples with equity.”
readPsalm 96:10

Pray for God to put in the hearts of believers to go to the lost and testify about the Lord who reigns.

Mandyak 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.

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