For the record, as someone who knows what it's like to sit there for a long time wondering whether or to post a message and worrying whether things are worded as best as they can be, I can guarantee that no one else will give half as much thought to it. Online, no one can tell how awkward, out-of-your-element, or long you took writing a message unless you tell them (whoops
But my point is, you've already got the experience, the skills, and the dedication you need to be a valued, and valuable asset to the community. Now all you need is the self-belief and self-confidence!
The worst thing that is most likely to happen is that you won't get any response, and all that means is the right person hasn't found your post yet. It can take time, and you might even be sat on the finished translation for a while before you can find someone. But as long as you don't give up, you WILL be able to find a way. The fact that Cross Treasures has a partial patch means that there are others with interest in it, so hopefully it won't even come to that.
Though, if you really are struggling to handle the HR front, do feel free to send me a PM. As said, I'm not the greatest spokesperson, and certainly not the most experienced, but I can try to help you try organize things and offer suggestions on how to go about them as much as life permits.