What is a group of Believers called?

A group of believers is commonly called a Fold. Other collective nouns you may see include Zeal and Choir.

Collective nouns for believers refer to collective terms used to describe groups or communities of people who share a common belief, religious faith, or conviction. These terms often reflect the shared identity and bond among individuals who come together to practice, celebrate, and adhere to a particular religion or set of spiritual values. Just as common nouns identify a general thing or object, collective nouns for believers specifically denote the collective presence of faith-driven individuals. In various religious traditions, we find diverse collective nouns for believers that embody their spiritual unity and support. For example, in Christianity, terms like congregation, church, or parish are commonly used to refer to groups of followers who gather to worship and participate in religious activities together. These collective nouns highlight their sense of community and the significance of their shared experience of divine worship and fellowship. Similarly, in Islam, the collective noun Ummah denotes the community of Muslim believers worldwide, transcending geographical boundaries and cultural differences. This term emphasizes the belief in the global unity of all Muslims and their shared commitment to the teachings of the Islamic faith. Collective nouns for believers can also vary across different branches or sects within a particular religion. For instance, within Buddhism, a Sangha and sometimes a "congregation," describe the community of ordained monks and nuns, along with lay devotees who support and participate in the spiritual practice and teachings of Buddhism. These collective nouns underline the sense of togetherness, support, and common pursuit of spiritual growth and understanding that believers share. They remind us of the importance of communal ties and the strength derived from the shared commitment to faith, reaffirming the role these beliefs play in shaping an individual's sense of identity and purpose within the believers' community.