So everyday when I’m outside the neighbors 4 year old comes over no big deal they just moved in. But…

So everyday when I’m outside the neighbors 4 year old comes over no big deal they just moved in. But he is outside by himself and says his mom works nights and is asleep. I don’t even think she knows he is outside because every so often he will run back home then come back. And I don’t think I can even say anything to her because I don’t think she speaks English.