Is there another way to be saved, but by Jesus? Nowadays many Christians believe that there is. Currently, the idea is spreading that Judaism is a relevant alternative. Most people do not want to forsake their Christianity at first. They do, however, try to combine the two religions. As a result, believers stray from the truth and begin to fall away from grace. This is not a new problem. The early church also experienced it. At the Jerusalem Council, the leaders of the Church deliberated the matter. This article deals with the subject of Judaizers, both ancient and modern.