What happens when speakers of two different languages are involved in marketing activities in the same area? Essential interactions between the two groups of people encourage them to create a new language understood by both speakers. That language is called a pidgin or pidgin language. Pidgin languages have now become a subject of the research. The discovery of this kind of language, which was uncovered in the past, has brought us to more understanding about language genesis and evolution because its development from not existing to being a real pidgin reflects the process of language creation. Therefore, the role of pidgins in the discovery of language genesis and evolution will be the major part of this essay along with detailed definition, development and characteristics of pidgins.