Millennialist is a term used to describe individuals who believe in the concept of millenarianism, or the belief in a prophetic golden age of peace and prosperity. However, there are several synonyms that can be used to describe these individuals. Some of these include eschatologist, apocalypticist, cataclysmist, and end-times believer. These terms all carry connotations of a belief in a significant and impending global change, whether it be a cataclysmic event or a spiritual transformation. While the specific beliefs and interpretations of millennialism may differ among individuals, these synonyms can be useful in understanding their broader worldview.