For eight years beginning in 1971, at a time when Taiwan was still receiving private American aid, Kay was the first person from Taiwan to go and provide service in Africa. He went as an expression of his religious faith. God's call Kay was born into a Christian family.
一九七一年起的八年間，在那個台灣還接受美援的年代，郭惠二幾乎是台灣自願前往非洲服務的第一人，其中因緣得從他的宗教信仰說起。