context: Because of his victories, his subordinates (mostly Belarusian, Cossack, and Polish volunteers) nicknamed him ataman, though some preferred to use the term Bat'ko – father.
source: Bułak-Bałachowicz became the military administrator of Pskov.
reference_original: أصبح Bułak-Bałachowicz المسؤول العسكري لـ Pskov
reference_flipped: أصبحت Bułak-Bałachowicz المسؤول العسكري لـ Pskov