If your age is right you are old enough to say what you want and actually recognize what you want and do not want. I wouldn't be afraid of pedophiles and stuff...
You need to convince your parents that you are "aware" of pedobear and the such. Try convincing your parents that you are responsible and aren't interested with meeting "internet people" in the real world. something of that sort.
this installation shouldn't be a permanent install, but you never know. I use em for other programs like pidgin and open office. those bundles worked for me. give it a try if you dare