I want to express that people respect each others' beliefs as well as uphold their own beliefs and systems. Tolerant means respecting others' beliefs, but what word stands for "uphold their own beliefs"?

Does ***"authentic"*** convey this meaning clearly in the following sentence? What are the other alternatives? Authentic person generally means one who is not fake.

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> People are tolerant and authentic.
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Does ***"traditional"*** work here? Does it have any negative connotations?