animadversor

ὕπνος δεινὸν ἀνθρώποις κακόν → sleep is a terrible evil for humans (Menander, Sententiae monostichoi 1.523)

Latin > English (Lewis & Short)

ănĭmadversor: ōris, m. id.,
I an observer: acres ac diligentes animadversores vitiorum, Cic. Off. 1, 41, 146.