Not necessarily; first of all, many philosophers would argue that people aren't good or bad but that people do good or bad things. Some non-believers are extremely well respected people - Betrand Russell and David Attenborough come to mind. Some theists have done bad things; the 911 terrorists also come to mind.
Such a person is called an ATHEIST.
Atheist
By definition, an atheist is a person who does not believe in God, and atheism is disbelief in God.
An atheist.
An atheist.
atheist...
Everyone is born an atheist until they are convinced to join a religion by their culture.
No he wasn't. He did push for sociology to be considered a science, however that does not mean a person is atheist.
Atheist.
An atheist
An atheist.
An 'atheist'.