mcsam--have you considered volunteering to help in a local state school ? Depending on where you are going, some children may not have had the chance to study with a native speaker before, and it would be of help and interest to them. As long as you don't want any money then the principal and other teachers would probably be happy too, as it would give them an easy lesson. If you impressed enough then it might lead to offers of work or private lessons if you wanted to return on a regular basis. I went and helped at a few state schools, and could now work in a couple of them if I wanted to and they had a vacancy.
Again, depending on your location and the orphans, your neighbours might well be happier and friendlier if you help their children rather than any gypsies dumped in an orphanage.
I know many of you support orphanages,and I don't wish to knock the work you do,but I feel it only right to warn someone who has a renovated property which they might be leaving unattended. Some neighbours may have a different sense of right and wrong, and a newbie may not want to upset the status quo until they get to know their way around, as well as their neighbours feelings.
Back on topic...are there really so few of us on this site who have lived full time in a city or large town without a garden ?