Afraid that would be your new companion, not a parasite. I'm not overly familiar with the species, but some Pokemon have a tendency to be a little... affectionate.

[To put it mildly. His bed was piled high with zapping critters every night.]

As for income, most cities offer temporary employment as you travel through. Sorting papers, positions in the shops, that sort of thing.

[Uzumaki don't exactly eat lightly either, he'd been running full-time himself pretty much since he arrived 8|]