Pharmacologist is a very promising profession. Your friend will be able to work in large publicly or privately owned health care organizations. Will also be able to work in companies such as
https://balkan-pharmaceuticals.org/ and will help develop drugs that are safe for humans. Another option is for your friend to teach at medical universities, or to work in diagnostic centers. As you can see the prospects for growth are a lot of important to be a professional and then your friend all will come out.