Revealed by a stranger, we learn of the reason behind Serizawa's anger. Later on, the Roshigumi receives a new name.
national imperialistic
ronin to serve as hired guards.
لرونين إمبرياليّين قوميّين
للخدمة كحرّاس مُستأجرين
du parti impérial
comme gardes du corps.
dei ronin nazionalisti 
perché gli facessero da guardia.