Which preposition to use with procurer

of Occurrences 3%

Speed in his description of Warwickshire writes thus of lord Brook, "Whose merit (says he) towards me I do acknowledge, in setting my hand free from the daily employments of a manual trade, and giving it full liberty thus to express the inclination of mind, himself being the procurer of my present estate."

for Occurrences 1%

I am a procurer for the purposes of mental prostitution.

Which preposition to use with  procurer