I was hoping to find another ESL teacher in Seoul that is just coming home and wants to make some extra cash...maybe this is the wrong board.

No, he is just looking out for the safety of fellow FT's where your motives are questionable, at best.

If human "mules" can be used to smuggle drugs, then why not something as innocent looking as a cat?

I would never take anything home from Asia, when asked by another foreigner...why can't you see that is only sensible?