ἀνάγκη τὸ κινοῦν ἀντικινεῖσθαι → what incites movement must suffer a counter-movement
P. and V. κατήγορος, ὁ, ἡ.
prosecutor: P. and V. ὁ διώκων.
malicious accuser: Ar. and P. συκοφάντης, ὁ.