imputator
From LSJ
impŭtātor: (inp-), ōris, m. id.,
I a reckoner (post-Aug.); trop.: beneficii, one who reckons his benefits highly, thinks much of them, Sen. Ben. 2, 17, 6.
impŭtātŏr,¹⁶ ōris, m. (imputo), celui qui porte en compte : Sen. Ben. 2, 17, 5.