A person that has a fear of vagrants.
"Did you see that guy? He pulled his dog away from us like we were scum. He's hobophobic, man."
A person who refuses to learn and utilize the correct spelling when it comes to homonyms.
There they go.. Those dishomonist fools!! They're making me all hyphy! ..calling me a Grammar Nazi when they're "confronted" with help! Sorry dude.. But I refuse to be illiterate!!!