ἱππόμαχος
From LSJ
μισῶ σοφιστὴν ὅστις οὐχ αὑτῷ σοφός → I hate the sage who recks not his own rede, I hate the sage who is not wise for himself, I hate the wise man who is not wise on his own
English (LSJ)
ον (parox., Hdn.Gr.1.230),
A fighting on horseback, trooper, Il.10.431 (v.l. -δαμοι), Simon.107.8 (= IG7.53), Luc.Macr.17, IG9(1).871(Corc., iii/ii B.C.).