if you are still looking for a arabic speaking therapist/counselor in Dortmund, you can check this page:
They offer online counseling in many different languages and it's totally easy to access and to use. I did it once and after some sessions i was really feeling better. They also have some counseling centers in Berlin, Hamburg and Erfurt. You can just google ipso center and you'll find out more about.
بتمنالك الصحة و العافية