This has got nothing to do with Google. From what you've told us, it's a simple case of some site operator stealing your photo and using it on their site. Unfortunately, it happens many times every day.
If you want to do something about it, there is a well-established set of steps you can follow. See for example, this article (and, no, you don't need to hire an attorney). But you've got to decide for yourself whether it's worth the effort.