Baltasar Barreira (1531–1612), born at Lisbon, was a Portuguese Jesuit missionary to Africa.

Missions

He was in Angola

Angola

Angola, officially the Republic of Angola , is a country in south-central Africa bordered by Namibia on the south, the Democratic Republic of the Congo on the north, and Zambia on the east; its west coast is on the Atlantic Ocean with Luanda as its capital city...

, for 13 years, founding a school in Luanda

Luanda

Luanda, formerly named São Paulo da Assunção de Loanda, is the capital and largest city of Angola. Located on Angola's coast with the Atlantic Ocean, Luanda is both Angola's chief seaport and its administrative center. It has a population of at least 5 million...

 in 1587. Later in life he went to West Africa, reaching the Cape Verde Islands in 1604. He then travelled to Bissau

Bissau

Bissau is the capital city of Guinea-Bissau. The city's borders are conterminous with the Bissau Autonomous Sector. In 2007, the city had an estimated population of 407,424 according to the Instituto Nacional de Estatística e Censos...

 the next year, and Sierra Leone

Sierra Leone

Sierra Leone , officially the Republic of Sierra Leone, is a country in West Africa. It is bordered by Guinea to the north and east, Liberia to the southeast, and the Atlantic Ocean to the west and southwest. Sierra Leone covers a total area of and has an estimated population between 5.4 and 6.4...

; he visited Benin

Benin

Benin , officially the Republic of Benin, is a country in West Africa. It borders Togo to the west, Nigeria to the east and Burkina Faso and Niger to the north. Its small southern coastline on the Bight of Benin is where a majority of the population is located...

 in 1607, Cacheu

Cacheu

Cacheu is a town in north western Guinea-Bissau, lying on the Cacheu River. Population 9,849 .-History and landmarks:The town of Cacheu is situated in territory of the Papel people....

 in 1608.

Works

His literary works consist chiefly of Relations written to the supervisors of the Society of Jesus. He is an eyewitness for matters of religion and slavery.

Accounts of the conversion of pagan tribes and the baptisms of native kings as well as treatises on the manners and customs of the people are the principal subjects of his writings. He recounted in detail the victory of the Portuguese, led by Paulo Dias de Novais

Paulo Dias de Novais

Paulo Dias de Novais , a nobleman of the Royal Household, was a Portuguese colonizer of Africa in the 16th century and the first Captain-Governor of Angola. He was the grandson of the explorer Bartolomeu Dias....

, in a battle of 1583.