Sister of Dying Man Refuses to Donate Bone Marrow to Save His Life
You can't force her. She won't say why she's refusing. Does she have a religious belief that prevents her from doing this sort of thing? A pathological fear of medical procedures? Does she just hate her brother? Is it a power trip? Nobody knows but her and God.
Does her motive matter? I think so. If she, like the Amish, believes that it's tinkering with God's will to do certain medical acts, then she's acting to try to preserve the wellbeing of her soul and her brother's soul. You can disagree but you can see that there's no malice. But if she's doing it because she just doesn't want to, "It's my body!" Well, then there's an unwillingness to reach out and help another human being that's pretty shabby. And if it's, "I don't like him and I wouldn't piss on him to put him out if he was on fire," then there's malice.
The brother is just as dead in any case. But it does make a difference in the morality of her refusal.
I bet there are about a million absolute strangers who are frustrated that they can't step in to do what she's refusing to do.
It'd be nice if she'd say why.