Shaleena was always living in squaller and struggling to get buy, but things got so much worse after the Sith bombarded the planet. In a way it had been a blessing that the way to the Promise Land was lost. If they haad not been sheltering where they did, she would be dead.

But after every source of water becoming radioactive, sickness spreading among the survivors, and constant attacks from the feral Rakghouls picking them off, Shaleena was the last of the Outcasts. This is based on the Dark Side choices made in KOTOR everyone is an adult.