Antichrists are individuals who are against Christ or the teachings of Christ. There are several synonyms for the word antichrists including apostates, heretics, schismatics, unbelievers, and infidels. Apostates are people who renounce their faith, whereas heretics reject or distort certain teachings of their religion. Schismatics form their own sect within a religion and break away from the traditional beliefs. Unbelievers do not believe in God or any higher power and reject organized religion altogether. Infidels are individuals who do not believe in a certain religion, especially in a culture where that religion is dominant. Regardless of the specific term used, antichrists represent a challenge to Christian faith and practice.