I was under the impression that "white knighting", by definition, is being sycophantic and obsequious towards someone. That's why the term exists. It's not "also known as" being a decent human being. Being a decent human being is also known as being a decent human being. There doesn't need to be another term for it. The term "white knight" exists solely to denigrate those who are excessively servile to another person. Being a kiss-ass. At least, that's what I thought.