peculator
From LSJ
pĕcūlātor: ōris, m. peculor,
I an embezzler of public money, a peculator, Cic. Off. 3, 18, 73; Tac. H. 1, 53; Val. Max. 5, 3, 2; Salv. Gub. Dei, 7, 21.
pĕcūlātŏr,¹⁵ ōris, m. (peculor), concussionnaire : Cic. Off. 3, 73 ; Tac. H. 1, 53.