Mara, often short for Mara-Papiyas, is the lord of the sixth heaven of the Desire Realm and the head of gods in Mount Meru. It is said that if a man could reach beyond the sixth heaven, he will then overcome all kinds of desires and delusions to go on the path to enlightenment. So there is only a line between the Buddha and the devil!
They don't care. It's a caste system, people below you are trash and whether they love or die isn't your problem. So they probably just thought she was weird for even caring about a random worker