History · 18th – early 20th century

Slave trade, slavery and raids

A place of transit and a place of exploitation, the archipelago was at the heart of the slave-trading networks of the Indian Ocean, then the target of Malagasy raids. A long-silenced history that researchers are bringing back to light.

View the photo full size: The rampart of Ntsaoueni, built against raids and now protecting the town from storms
On this page 6 sections
  1. An archipelago at the heart of the slave-trading networks
  2. Slavery in Comorian society
  3. The time of the raids (around 1790–1820)
  4. Abolitions at different times
  5. After slavery, indentured labour
  6. A memory to rebuild

An archipelago at the heart of the slave-trading networks

The Comoros were unusual in being both a place of transit and a place of exploitation for slaves. Captives from East Africa, especially northern Mozambique, and from Madagascar were bought there, sold on to Arabia, Zanzibar or the French islands (Bourbon, today's Réunion, and Île de France, today's Mauritius), or put to work locally.

In the 19th century, when Britain was fighting the slave trade, coastal shipping between the islands and the port of Mayotte still allowed dhows to evade surveillance.

Slavery in Comorian society

In the sultanates, slaves worked in the fields, in houses and in the ports. Their status passed to their children. In the islands, the word makua, the name of a people of northern Mozambique, came to mean slaves and their descendants.

After abolition, this origin long remained a stigma, and the subject is still delicate in the archipelago. Comorian and foreign researchers study it today, and the Departmental Archives of Mayotte are collecting oral testimonies about this memory.

The time of the raids (around 1790–1820)

The rampart of Ntsaoueni, built against raids and now protecting the town from storms
The rampart of Ntsaoueni, built against raids and now protecting the town from storms

At the end of the 18th century, fleets of several dozen canoes setting out from the east and north-west coasts of Madagascar, manned by Betsimisaraka and Sakalava, regularly attacked the archipelago. They mainly captured women and children, who were sold as slaves, notably to the plantations of the Mascarenes.

Anjouan, the richest island, was the first target, but no island was spared: Mohéli and Mayotte were partly depopulated. Towns surrounded themselves with ramparts, as at Ntsaweni or Iconi, and citadels, as at Mutsamudu. Jean Martin speaks of a deep economic and political crisis that weakened the sultanates for a long time.

Abolitions at different times

Slavery ended on very different dates depending on the island:

  • Mayotte, by then French, abolished it by the royal ordinance of 9 December 1846, applied in 1847, a year before the other French colonies.
  • On Anjouan, an 1882 treaty banned the slave trade and set 1889 as the date for freeing the slaves; the owners rebelled as early as 1884. In 1891, on the death of Sultan Abdallah III, slaves and peasants from the island's uplands rose up and abolition was proclaimed.
  • On Mohéli, a revolt of Makua slaves led to abolition in 1902.
  • On Grande Comore, slavery was abolished on 29 February 1904.

After slavery, indentured labour

Abolition did not put an end to forced labour. To supply workers to the plantations, recruiters practised “prior redemption”: captives bought in Africa were declared free on paper, then shipped as indentured labourers under contract. During the colonial period, the poll tax and labour requisitions prolonged this coercion.

A memory to rebuild

The history of slavery in the Comoros was long little told, by noble traditions and colonial history alike. It touches on questions that are still sensitive: the origins of families, rank in custom, access to land. Research, oral archives and public debate are now helping to bring it out of silence.

To understand the raids from the inhabitants' point of view, read the tale The women of Iconi.

Main references

Full bibliography

In pictures

KomoriThe Islands of the Moon
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