Yes, well, some use them for battling. Not all Pokemon enjoy it, though, so one shouldn't be forceful! Other people keep them as pets or companions.
Older brat-boy pewter_leader
is a Trainer as well as learning to be a Breeder.
If you're a woman, though, I suggest you keep your distance when talking to him. He tends to blush and get VERY excited and fall head over heels in love with just about any woman he meets. ^^;
If you're a feminine-looking man, be sure to wear something manly-looking or at least show off your chest so nobody gets confused.
I'll lend you a Pokemon to breed one of his with if needed! Pokemon are born in the species of their mother, but with the abilities of their father, even if they are not common for it to learn naturally.