I used to dream about secret apartments in malls when I was a kid. Anyone else, you'd call him a squatter, but since living covertly in a mall is a big 'fuck you' to consumerism, you'd call him an artist. Though, serves him right if the mall charged him back-rent. His sparse living conditions were still better than KarmasFist's.
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"What I do know is that if Karen Carpenter and Mama Cass Elliot had shared that sandwich they'd both be alive today." -Michael K