Simplify the following text for a Grade 9 native English-speaking person.
Original: Sean Paul Ryan Francis Henriques ( born January 9 , 1973 ) , who performs under stage name Sean Paul , is a Jamaican Grammy winning reggae singer & rapper who is the former lead vocalist of the Dutty Cup Crew .
Simplified: Sean Paul Ryan Francis Henriques ( born January 9 , 1973 ) is a popular and well-known Jamaican reggae and dancehall musician . He is also known by nickname , Sean Paul .