Which preposition to use with supers

in Occurrences 3%

The supers in the drama, whose business it was to whisper to each other and to the players, consisted of solicitors, solicitors' clerks, and experts; their combined emoluments worked out at the rate of a hundred and fifty pounds a day.

at Occurrences 1%

I tell you all this because she never will!" A couple of days later a doctor and the infirmiers arrived, the latter not picked men, since in ordinary life they are a tax collector, a super at the Theatre de Belleville, an omnibus painter, a notary's clerk and a barber!

illos Occurrences 1%

Per totum annum cantarunt, pluvia super illos non cecidit; non frigus, non calor, non sitis, nec lassitudo illos affecit, &c. 5533.

Which preposition to use with  supers