[1] In 1991, he joined the First People of Kalahari (FPK) with John Hardbattle, which intensively promotes the traditional way of life, protecting the nature.

In 1997, a small group of Bushmen still living in the Central Kalahari Game Reserve were resettled to the new built town of New Xade.

A group of Bushmen represented by First People of the Kalahari refused to move, citing difficult conditions in the new settlement, the unfamiliar way of life they had to adjust to and many new social ills such as unemployment, alcoholism and diseases, especially HIV-AIDS.In 1995 Roy became chairman of FPK.

He has traveled to Europe and the United States a few times to stop Botswana government from forcing his people to evict their land.

[3] In September 2005, Sesana was arrested for "rioting" and attempting to "forcibly enter the Central Kalahari Game Reserve", but was released a couple of days later.