The stripes represent your level of privilege. We're restricted to grounds and from the gym since we weren't present to be successful at the last mission(s).
It was a circus.
I've only been here a few days myself, but enough to explore. Seventh and fifth floor are off-limits. The "scientists" don't appear too involved, but apparently will strp in if necessary for collective punishment. There are about 100 of us here. And preliminary attempts to organize are underway.