Mazwi is a well founded and experienced leader in the Body of Christ , he has been married to Thoko for 27 years and has two children who are both studying for professional careers. He ministered for two years from 1988 to 89, at the Ark ministries in Durban with Pastor Derek Danyssaein whilst attending Glenridge Church in Durban. For ten years after that he served in the office of an Elder at various churches namely, the AFM, church, Oasis Church and Busa community church in Umlazi.
In 2009 Mazwi and Thoko joined Vine of Life Church under Pastor Anderson Mpanza as a congregant for 4 years before joining up with Pastor Rod Seago at The Kings Church in Pinetown.
Mazwi spent a year at Christian Bible Institute, a ministry of City of Life Church under Rod Seago’s oversight and later sat under Rod Seago and Anderson Mpanza’s Apostolic school of Ministry for a number of years.