λωβητήρ
From LSJ
βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink
English (LSJ)
ῆρος, ὁ and ἡ,
A foul slanderer, Il.2.275, 11.385: generally, destroyer, of the Erinyes, S.Ant.1074; ἀοιδᾶν Tim.Pers.231. II worthless wretch, Il.24.239, A.R.3.372, Tryph.21.