Don't shoot the messenger.
An expert, or teacher, is a person who, after reading your question, knows what you know, what you don't know, what you are trying to know, and what else you need to know in order to achieve what you are trying to know.
Q&A for professional and enthusiast programmers
Q&A for system and network administrators
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for computer enthusiasts and power users
Q&A for users and developers of hardware and software for Raspberry Pi
Q&A for active researchers, academics and students of physics
Q&A for Ubuntu users and developers
Q&A for committed Christians, experts in Christianity and those interested in learning more
Q&A for power users of web applications