City cleaner:
Your job is to go around in a garbage truck or forklift and get garbage and boxes and drop it off at the dump. Drop off is the small ally before the dump sign.
Hobos:
Your job is to collect garbage and build you own little town where ever you want. Plus hide from the city cleaners.
Dump Sorters:
Your job is to sort the garbage when it comes in. Also, unload the garbage.