νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
squire: P. and V. ὑπασπιστής, ὁ (Xen.), V. ὑπασπιστήρ, ὁ.
serve as shield-bearer, verb transitive: V. ὑπασπίζειν (dat.).