Which is a term for a person who does not share the beliefs of the dominant religion of a society?

A person who does not share the beliefs of the dominant religion of a society is often referred to as a "nonbeliever" or "dissenter." In some contexts, the term "heretic" may also be used, especially if their beliefs are seen as opposing or challenging the dominant faith. Additionally, "secularist" or "atheist" can apply, depending on the specific nature of their beliefs or lack thereof.