Sasha Blouse

She was sitting at a distance and eating potatoes.

In the year 854, Sasha had adapted to her role as a sharpshooter, agreeing with Jean that, as time has passed, killing other soldiers had become easier. Despite her newfound cold professionalism in the field, Sasha still appeared to be incapable of killing civilians and especially children, exemplified when she had Gabi Braun in her sights yet could not take the shot, resulting in her death at Gabi's hands.
Sasha is seen arguing with her father, telling her not to eat the meat from the winter from the ground.
He fails to stop her, and as she devours the meat he wearily explains to her why it is important to keep the food: after the fall of Wall Maria, many refugees have come to Wall Rose's lands, which has resulted in a food shortage due to the extra mouths to feed. In particular, refugees have begun hunting for food in Dauper's territory, leaving less game for the village's citizens than usual.
Blouse admits to having considered giving the forest to them so that they can make fields, while the hunter's tribe starts taking care of horses, but Sasha objects, arguing that they should not stop living like they do just because of the newcomers.
Her father acknowledges her point, but disagrees, saying that it is more important to take care of the people, rather than live all alone. He finally states that he wants to live with his clan, even if it means to change their way of life.
Sasha, angered, enlists in the Military in retaliation.
On the first day of training, she steals a steamed potato from the kitchen and eats it during initiation. She is questioned by Keith, her head instructor, while he performs the "Rite of Passage" ritual on them.
She gives him "half" of the potato (actually a much smaller piece than the one she kept for herself) in a doomed attempt to appease him and is ordered to run around the premises for 5 hours as punishment.