Characterize Rosa Hubermann. What kind of a character is she?

Rosa Hubermann

Hans' wife and Liesel's foster mother. A squat woman who makes some money doing laundry for wealthy neighbors, Rosa has a fiery attitude and frequently employs profanity, especially towards those whom she loves. Death describes Rosa as a good woman for a crisis: she maintains order in the household through difficult times, but her spirit is steadily beat down by several the events in the novel, e.g. Max's illness, Hans' conscription, and the air raids.