Although this is a very good article, we believe in loving everyone. Yet scripture does warn us not to be entangled with certain people. Many studies show it’s dangerous to spend time with people who have NPD.
People with NPD can’t love. They are developmentally arrested at a formative age, probably somewhere around 2-4 years old due to the fact that their brain did not develop the paths that give them empathy.

They fail to integrate a stable sense of identity and self-esteem, and they do not learn empathy for others, remaining primitively ego-centric throughout their lives no matter how sophisticated they may become in other areas.

The Reason Narcissists Will Never Love You and Why It's Dangerous to Love Them –

https://narcissistfamilyfiles.com/2017/12/18/the-reason-narcissists-will-never-love-you-and-why-its-dangerous-to-love-them/

3234 Whether you’re an adult child, partner/spouse, or other family member of a person with Narcissistic Personality Disorder (NPD), perhaps the most difficult aspect of the relationship is coming to grips with the fact that this person does not and…