Original sentence: Collectively, these Bantu groups are known as Mushunguli, which is a term taken from Mzigula, the Zigua tribe's word for "people" (the word holds multiple implied meanings including "worker", "foreigner", and "slave").From 1800 to 1890, between 25,000–50,000 Bantu slaves are thought to have been sold from the slave market of Zanzibar to the Somali coast.However, the perception, capture, treatment and duties of both groups of slaves differed markedly.Most of the slaves were from the Majindo, Makua, Nyasa, Yao, Zalama, Zaramo and Zigua ethnic groups of Tanzania, Mozambique and Malawi.People captured locally during wars and raids were also sometimes enslaved by Somalis.To meet the demand for menial labor, Bantus from southeastern Africa captured by Somali slave traders were sold in cumulatively large numbers over the centuries to customers in Somalia and other areas in Northeast Africa and Asia
Edited sentence: To meet the demand for menial labor, Bantus from southeastern Africa captured by Somali slave traders were sold in cumulatively large numbers over the centuries to customers in Somalia and other areas in Northeast Africa and Asia..