This study aims to examine how proselytization means in an intertestamental state for contemporary mission activities. At that time the proselytization carried out by Palestinian Jews and diaspora Jews continued, resulting in a wave of religious conversions in Judaism called real proselytes (ger tsedeq) as well as people who fear Allah (passive proselytes). This study uses a qualitative approach with descriptive methods, in which the researcher tries to answer the research problem by looking for literary sources that correlate with the research problem. From this research, it can be concluded that proselytizing in the intertestamental era opened up opportunities for church missions in the New Testament era, as documented in the Acts of the ...