A person whose philosophy is based on theory and theology. In
other words, a person (most probably a scholar) whose main emphasis
is a mixture of theory and theology and as a result comes up with a
solution of a problem from theory and theology.
There is no specific definition of "theorologist" in the context of a recognized academic field or profession. It is possible that it may be a misspelling or a term used in a specific context or discipline not widely known.