I wouldn’t tell the most hardened and trusted antifascist where she’s hiding. Loose lips sink ships, and good infosec begins with shutting your damn trap.
You know who to give a bit of extra food to. That’s all you need to know aside from the fact that that friend always had a higher metabolism than you so you’d rather ensure they get their fill. That’s it. You know nothing else. If you’re asked about creaking attics lots of attics creak. You can’t let slip what you don’t know so don’t get curious and don’t open up.