An albino is someone affected with the genetic disease albinism. Albinism is characterized by a lack of pigment in the skin causing it be extremely pale and white-looking. It is a fairly rare disease. Albino people have faced persecution in Africa in both the past and modern times. Across African cultures they have been viewed as bringing either good luck or cursing a village.
Visit here for a 1975 study on 1000 Nigerians. It shows the clinical and social impacts of Albinism as well as the different variations, prevalence, and transmission of the disease.