Catsle

So recently I've been seeing this cat hang around my house, I assumed it was just an ally cat but it seems to be a train cat that was forced out, I have tried many ways to see if she would try to scratch me and not even once. So I gave her some food and started studying her and now everyday when I come home, she waits at my front door for me, I don't think she has an owner so I'm considering adding her to my family.