Jaboya is a form of bartering observed on the coast of Kenya where a customer is also a lover. Men fish and women buy the fish to sell on the market. A woman without a boyfriend or a male partner would not be able to obtain fish. Women with limited income therefore offer sex to fishermen in exchange for fish. Fishermen on the other hand have a lot of choice and often more than one customer, and hence are involved in a network of sexual encounters fuelling the HIV …