The position and the role of Imam in the world of creation

The discussion about the place and the role of The Imam refers to subjective and finalizing role of Imam in the world; that is, does Imam own such an existential perfection that could play the subjective or ultimate role or the both in the world? The creational role of the Imam(a) as the ultimate role is generally accepted, but some reject Imam's subjective role and some regard it as secondary principle in exceptional cases and some other consider Imam as a channel for divine grace on the creation which is followed in this essay.