Your topic is very interesting. It explores the problems that caused in the process of helping people. There are many professions where individuals work hard to make others' lives easy, safe, and comfortable, but unfortunately those individuals are affected by the various stress that come with the jobs. Many just become depressed after experiencing and witnessing many unpleasant things.
To find a connection in between human relations and using design to help is a very good idea. I myself was initially looking to use product design to help create a solution to police suicide. I really think your project could help a lot of people, good work, keep it going!