 Despite being born in Lusaka and playing for the Zambia national football team, Nkausu has spent all of his club career in South Africa.He plays as a defender, usually at right-back, and lastly played for Free State Stars.Nkausu played youth football for Chiparamba Great Eagles before joining Pretoria University FC in 2003, and has also represented Zambia internationally at various youth levels, including captaining the country's under-20 team, before graduating to the senior side in 2008.