becoming the mere agent and trustee for his poorer brethren, bringing to their service his superior wisdom, experience, and ability to administer, doing for them better than they would or could do for themselves.
This portion of his excerpt expresses how the poor should be grateful towards the rich for giving them a better life. Almost as if comparing them to gods whoms purpose is to become as rich as possible so that giving to the poor has no negative impact on them. For example Andrews quote "A man who dies rich dies disgraced".