Post in Group to help the children with the Education by volunteering

Hello,everybody! I'm Bülent from istanbul,Turkey. I'm studying English language teaching.I want to be volunteer in this summer after June. if I have a skill what you need, I can do. I can teach English and work with children. I'm really easygoing, hardworking person who is willing to be volunteer and I can't efford plane ticket or I can pay half. The important issue for me is visa, I need to get schengen visa and invitation letter so if possible food and place should be provided Thank you very much! Best, Bülent