Which preposition to use with bosun

as Occurrences 1%

It was lazy, bad reasoningthe sort of superficial, smart stuff that has cost the lives of thousands of good men times out of numberfour o'clock o' the morning intelligence that, like the courage of that hour, needs priming by the foreman, or the sergeant-major, or the bosun as the case may be.

Which preposition to use with  bosun