I M LOOKING FOR A LOST FRIEND.CAN anyone help me? hi everyone im looking for a friend met 5years ago. its a korean family ,3 sons .i was the tutor of the big son when they were in BEJING WUDAOKOU. then they went back to Korea and i lost my cellphone ,so i cant get in touch with them. how can i find them?

can someone teach me hindi,or german,french.or others ,i m chinese.