This (how an ordinary human can serve God) is clearly explained by Prthu Maharaja by the use of the word yathadhikara, "according to one's ability." If one sincerely executes his occupational duty, that will be sufficient: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.