While studying at the Baptist Theological Seminary Harold married Antoinette and the marriage was blessed with three daughters. Two of their daughters and their families live in Australia while the eldest and her family live in Canada.
His ministry spans 50 years and involves planting a church South Africa, serving as National Youth Secretary for the Baptist Youth of South Africa, pastoring the Florida Baptist Church, Johannesburg, South Africa, directing the work of Evangelism Explosion, founder and Executive Director of Multi Ministries. His ministry has included preaching at evangelistic crusades and outreaches, bible conferences, mission conferences etc. lecturing and teaching on evangelism, discipleship and missions at various seminaries, clinics and Christian leadership institutes. He has travelled and preached in many parts of the world including Africa, Australia, New Zealand, Europe, United Kingdom, Middle East, USA and Canada.
Harold and Antoinette now live in Canada and they are involved in mentoring NAMB Church planters and various evangelistic and preaching opportunities. Harold serves as an itinerant revival speaker with Life Action Canada.