Kamea is a rare given name for women. Kamea is an equivalently rare last name too for all people. (2000 U.S. Census). Charted below is the birth name popularity of Kamea for girls.
sequester-set apart from others; The dentist sequesters the tooth he is working on. keep apart, sequestrate, set apart, isolate. disunite, separate, part, divide-force, take, or pull apart; He separated the fighting children; Moses parted the Red Sea.
To segregate means to keep apart in some way. It can be as simple as segregating one category of items from another, but as you point out, it can also be used to refer to a system used to keep people apart or out of the mainstream in some way, as in racial segregation.