In order to better understand the merits between fundamentalist and relativist is important to explain what each stands for.
Fundamentalism is based on a conservative theological movement around nineteenth and twentieth century that focus on the doctrinal issue of the imminent return of Christ and the verbal inspiration of the Bible. Believing every word of the Bible is a whole of God and should never be changed, challenged or for that matter questioned.
Relativism is based in the concept that there is not an absolute truth and that is all matter to the differences in perception and belief that provides a relative truth. Meaning that morality is relative to the norms