Messiah Truth A Jewish Response to Missionary Groups. Messianic Judaism: A Christian Missionary Movement Messianic Judaism is a Christian movement that began in the 1970s combining a mixture of Jewish ritual and Christianity. There are a vast and growing numbers of these groups, and they differ in how much Jewish ritual is mixed with conventional Christian belief. One end of the spectrum is represented by Jews For Jesus , who simply target Jews for conversion to Christianity using imitations of Jewish ritual solely as a ruse for attracting the potential Jewish converts. Welcome to Moshiach Online - Your Key to the Future. End of Days.