Which preposition to use with acrobats

of Occurrences 3%

To begin with, it takes an acrobat of no mean order to reach it at all, and once you are in your nose almost touches the roof of the carriage.

in Occurrences 2%

"Joe, did you hear what he said?" asked Helen, as she moved back with the young acrobat in conformity with the officer's order.

for Occurrences 1%

"Anyway, I expect to be Andy the Acrobat for a long while to come.

on Occurrences 1%

In a world where all is unstable, and nought can endure, but is swept onwards at once in the hurrying whirlpool of change; where a man, if he is to keep erect at all, must always be advancing and moving, like an acrobat on a ropein such a world, happiness in inconceivable.

Which preposition to use with  acrobats