how should I find those people having the need when wanting to teach Chinese freein my city Guilin I'm majoring in English, I want to semi-professionally teach some foreign friends Chinese in my city without charge , how should I find those people have the need? Maybe they gather at some websites? I'm in Guilin for an internship, many foreigners here and I don't want to waste the two months in Guilin. Surely considerable people have this kind of need, but how to find them out? Do you have any idea?