While not a term maybe a short blurb like “While I am not religious, I admire many of the lessons of Jesus as portrayed in the Bible, and I try to model parts of my life after his example.”
If applicable you can also add “Along with others I consider to be positive examples for leading a good and virtuous life.”
Not born wealthy, but there was Ronald Read who lived a modest life resulting in a multimillion dollar estate when he passed in 2014. He left most of it to local library and hospital.