Which preposition to use with servingman

in Occurrences 2%

There shall not a servingman in Barkshire fight better for ye than I will do, if you have any quarrel in hand: you shall have the maidenhead of my new sword; I paid a quarter's wages for't, by Jesus.

at Occurrences 1%

Wayte with a trencher, goe learne policye; A servingman at dynner tyme will teach thee To give attendance on the full-fedd gueste, Not on the hungry sharke; and yet you thynke To feede on larke by serving my poore father!

Which preposition to use with  servingman