Speaking from experience here. They have enough time. Most of them are completely politically uninvolved, but the ones who do know about politics are very frequently conservative, so i’m not entirely sure how to go about this.
It would make a lot of sense for rightwingers to mobilize the homeless and it probably won’t be as difficult considering homeless people get a huge amount of aid from churches.
No it doesn’t include criminals, it can’t. Because a criminal is someone who breaks the law, they can belong to any class. This includes ex big pharma exec Martin Shkreli, drug lords like Pablo Escobar, etc.