βοὴν ἀγαθός
From LSJ
ἀγαπήσεις τὸν πλησίον σου ὡς σεαυτόν → love your neighbor as yourself, thou shalt love thy neighbour as thyself, love thy neighbour as thyself
Greek to English
good at the war cry, good at the battle-cry, master of the war-cry, good at shouting