On being defined by what you are against…

For Christians, this is nothing new:

And when finally he was brought up, there was a great tumult on hearing that Polycarp had been arrested. Therefore, when he was brought before him, the proconsul asked him if he were Polycarp. And when he confessed that he was, he tried to persuade him to deny, saying, “Have respect to your age”—and other things that customarily follow this, such as, “Swear by the fortune of Caesar; change your mind; say, ‘Away with the atheists*!'”

The Martyrdom of Polycarp

*An atheist was one who rejected the state approved gods.