. Maravi's rulers belonged to the Phiri matriclan and held the title Kalonga. They ruled from Manthimba. In the 19th century, the Maravi were frequently raided by their neighbors the Yao and captured for sale as slaves. David Livingstone visited Lake Nyasa in 1859, and Protestant missionaries soon followed. Maravi peoples speak several dialects, including Chichewa (Malawi’s national language), and speak other official languages: Portuguese in Mozambique and English in Malawi, Zambia, and Z… (More on Maravi)