instigator
From LSJ
English > Greek (Woodhouse)
subs.
P. εἰσηγητής, ὁ, P. and V. ἡγεμών, ὁ or ἡ.
Latin > English (Lewis & Short)
instīgātor: ōris, m. id.,
I a stimulator, instigator (post-Aug.): sibi quisque dux et instigator, Tac. H. 1, 38: superfluus, Aus. Ep. 17 fin.: accusationis, Dig. 3, 2, 20.