Not every injury is physical. There are instances when the injury sustained is not right away obvious to the naked eyes. You can sue somebody who inflicts grave physical injury on you and at the same time, you can also hold the other person responsible for the emotional injury for certain circumstances. The injuries that come from the attack of the privacy of someone are also compensable in some instances. However, the plaintiff may have some difficulties in proving the substance of his/her claims. The plaintiff needs to prove his/her emotional distress by showing that the conduct of the defendant is offensive.
Here are some reading materials and links to learn more about emotional distress and privacy: