"They are lying," Harry said grimly. "Of course they're lying, why would they ever tell the truth? They've made it so everyone will always believe them, except some people are starting to realize that they're lying." This wasn't what he'd come here to say, but now that they were talking about it... "Will you do something for me, Ginny? Keep a look out for people who are just blindly listening to them, who might be in danger. Especially anyone in your family, or anyone that's connected to me through the DA, or... just let me know, okay? And if you meet anyone that knows I'm not a terrorist, let me know that too. Don't write it down unless you don't have another choice. And watch out for yourself, too. If you're ever in danger, send me a Patronus, and try to meet me here. Okay?"
He had almost forgotten about Ron, the words were spilling out of him before he could stop himself. He didn't know what was going to happen now, what Ron and the two Death Eaters might get into next, but he had to try to make sure that nothing like what happened with Luna's dad happened ever again. Or worse, that someone they cared about was accidentally caught in an explosion at the Ministry.
"I'm just - I'm sorry, I'm just really worried for everyone's safety right now. I have no idea what it's like living in the world you're in, but from where I stand it seems like everyone is going to be in danger really soon." If they weren't already, but he didn't want to make Ginny too paranoid. If his visit to Luna had made Luna so scared that she slipped up at the Ministry, resulting in her having to run away... well, shite, had he just done the same thing to Ginny? "But you'll be alright," he said. "Remember? You know how to defend yourself. I taught you how."