Sailas Ng'onga professionally known by his musical name as Saizi or sometimes as Saizi Zambia or mafia boy Saizi was born on Tuesday 26th August 2003 at his grandparents home in Finkuli village,Mpika district, Muchinga province by then it was in Northern province, Zambia. Saizi is a Zambian rapper who majors mostly in drill music known by his first drill song titled support your local Zambia prod by DJ inno and the beat was made by keno beats. So far Saizi has released about 6 songs 2 singles and 4 collaboration songs. Saizi have worked with artists like Biney, tonny Montana, kalenks,abaice bacimwela, Honest'toh and T-zone and producers like favour sounds, DJ inno and DJ Tex. Saizi was doing dancehall ridims and traps but later he changed his music genre to drill after being inspired by drill rappers and gangs from United Kingdom and Ghana.