About 18 months ago DH and I bought an apartment in a small complex. We're homebodies, work from home mostly in professional jobs and never have parties or make much noise. Next door to us is a man in his 70s who seemed a bit eccentric but friendly enough and willing to say hello and have a chat. He is white and we are not (this is relevant).
Several months ago, his front door was vandalised with red graffiti. When it happened, I stopped and had a brief chat with him to see if he was okay and had a look at the graffiti before it was cleaned off. It didn't look like anything but scribbles to me and he asked if I'd seen anyone hanging around, which I hadn't. The next morning our doorbell rang at 6 in the morning and it was our neighbour, asking again if we knew anything about the graffiti, this time saying he thought we would know something about it because it looked like something in 'our language'. (Mind you, DH and I are not even of the same ethnicity.) I was a bit annoyed at being woken up so early and the inference that we should know something about it because the graffiti looked like something he'd associate with us just because we're not white, but let it go because I figured he was just distressed.
Since then, he's treated like us we don't exist. He's always walking around the complex and the neighbourhood but if we see him, he will ignore us if we say hello, won't even look at us if we pass him and even pointedly cross the street if he sees us coming. We see him talking to other people in the complex so it's just us he's treating like this, and I can only presume it's because he thinks we vandalised his property. The idea of it is ludicrous but also upsetting, and we have no idea what he's said to the other residents or even the police in his report. I've thought about directly asking him if he thinks we vandalised his property but I don't know if that'll just make things worse, and now it's just unpleasant and awkward to be completely blanked by someone living right next door to us when we've been nothing but polite and friendly.
Do we just continue on as we are and ignore him like he's ignoring us, or should we try and talk to him about it?