Which preposition to use with conservator

of Occurrences 33%

Be conservators of my pullulating existence.

during Occurrences 1%

As the scant reports sent to my conservator during these three weeks indicated that I was not improving as he had hoped, he made a special trip to the institution, to investigate in person.

like Occurrences 1%

And particularly that word Socialism has become so vague and incoherent that for a man to call himself a socialist nowadays is to give no indication whatever whether he is a Conservator like William Morris, a non-Constructor like Karl Marx, or a Constructor of any of half a dozen different schools.

Which preposition to use with  conservator