The Portuguese also had vast estates, known as Prazos, and they used slaves and ex-slaves as security guards and hunters. They trained the men in military tactics and gave them guns. These men became expert elephant hunters and were known as the Chikunda. After the decline of the Portuguese the Chikunda made their way to Zambia. Inside the palace of the Litunga, ruler of the Lozi. Due to the flooding on the Zambezi, the Litunga has two palaces one of which is on higher ground. The movement of Litunga to higher land is celebrated at the Kuomboka Ceremony