So what's Goliath? He's heavy infantry, and his expectation when he challenges the Israelites to a duel is that he's going to be fighting another heavy infantryman.
さて ゴリアテはどうでしょう？ 重装歩兵です 当然 一騎打ちの際は 重装歩兵どうしで 戦うつもりでした