"this person is certainly my biology teacher, who shared the fact that she had a rare genetic disorder during our Genetics unit as well as <insert otherwise non

"this person is certainly my biology teacher, who shared the fact that she had a rare genetic disorder during our Genetics unit as well as <insert otherwise non-identifiable columns>. She has herpes. Or also she has an alcohol problem and used to do acid." Teacher is now fired. You also keep ignoring the issue of consent. Step one is to ask patients. Or the person shared their story on the public website of a "Run For The Cure" style website about that genetic disorder. Or so on. "Sparse Features" aren't always a thing that the person wants to keep private.