γραμματιστής
From LSJ
τῷ οὖν τόξῳ ὄνομα βίος, ἔργον δὲ θάνατος → the bow is called life, but its work is death (Heraclitus)
English (LSJ)
οῦ, ὁ,
A = γραμματεύς, clerk, registrar, Hdt.2.28, 3.123, IG7.1745 (Thespiae), SIG 529.4 (Dyme, iii B. C.), etc.: metaph., recorder, of memory (cf. γραμματεύς 2), Pl.Phlb.39b. II one who teaches γράμματα, elementary schoolmaster, X.Smp.4.27, Pl.Prt.312b, al., D.19.281, D.H.11.28, Diog.Oen.11, etc.