General terms:
* Curious: This is a good general term for someone who is interested in learning new things.
* Open-minded: This describes someone willing to consider different viewpoints and perspectives.
* Tolerant: This suggests an acceptance of other cultures and religions, even if they differ from their own.
* Respectful: This implies an understanding and appreciation of the value of different cultures and religions.
More specific terms:
* Multiculturalist: This refers to someone who believes in the value of diversity and the importance of understanding and respecting different cultures.
* Interfaith: This term is often used to describe someone who is involved in dialogue and cooperation between different religions.
* Anthropologist: This is a professional who studies human cultures and societies.
* Sociologist: This is a professional who studies the development, structure, and functioning of human society.
Ultimately, the best term depends on the specific context and the aspect of the person's attitude that you want to highlight.