If Jesus, the so-called Christ, was a lower-class peasant Jew at ancient Palestine, then the textual traditions of the Bible come to us from Judeo-Christian cultures.
Jesus, the historical human being, most likely, was semi-illiterate: he did not know how to write. So, we actually don’t know which his ideas and actions were. His purpose, his goals, his views, his teachings, his actions, were written down by others, decades and centuries later of his time, outside ancient Palestine and by upper-class Greek-Roman authors.
And yet, the Bible and those Judeo-Christian cultures, are very important in order to better understand the mix of cultures around today.
For example, how Judeo-Christian myths work (in the anthropological sense). The tales by which there are many messianic attitudes all around today with parallels to the prophecies of the Messiah and other elements of such tales. Like the concept of gospel, and salvation, and the plot between forces of evil against god, and elements of that sort.
It is a very complex and fascinating set of topics from historical and anthropological scholarship.
