Which preposition to use with coordinator

of Occurrences 2%

Of course it has other aspects, higher in essence and more impalpable in quality, but it is this first aspect I shall deal with, because I am not now speaking of religion as a purely spiritual power but only of its quality as the great coordinator of human action, the power that establishes a right ratio of values and gives the capacity for right control.

Which preposition to use with  coordinator