When I read Theology I go to the Bible and texts written after the time of Jesus. Were the no theologians before the time of Jesus?
Ezra was sort of a theologian. Unfortunately all he seems to have left us was a historical narrative (i.e. the Book of Ezra), rather than theological literature, but I’ve always heard that the Jews attribute much more significance to him, with an understanding that he was some sort of great scholar.
Of course, there were no Christian theologians.
Any Jewish rabbi is considered a theologian. I don’t know how many of their teachings survive today.
Is the concept of a theologian something that came after the New Testament?
I would say scripture itself points us to the presence of great teaches, theologians. Gamaliel would be one such example.
I also like the Orthodox aphorism, ‘he who prays; he is a theologian’.