Blasphemer (noun)

A person who speaks or writes blasphemy; a person who denies or shows contempt for a deity, religious doctrine, or something considered sacred.

Origin:

Late 16th century: from greek blasphēmos 'speaking evil' + -er.

Examples:

1. Many religious groups consider blasphemy to be a serious offense, and some even consider it a crime.
2. Blasphemers are often seen as a threat to social stability, as they challenge the beliefs and values of others.
3. In some societies, blasphemy is punished by imprisonment, fines, or even death, while in others it is protected as a form of free speech.
4. Some people consider those who engage in blasphemy to be disrespectful, as they are seen as insulting the beliefs and traditions of others.
5. In some historical periods, blasphemy was used as a means of suppressing dissent, as those who spoke out against the prevailing beliefs were often labeled as blasphemy.