Maybe a therapist who is willing to explore existential issues? I've benefitted from Acceptance and Commitment Therapy even though it's not all about existential issues like dying. It helped to clarify my values and make meaningful goals according with my values. It also helped me accept aspects of my suffering (Complex PTSD, and a number of other comorbid diagnoses) not blame myself for them. Acceptance doesn't mean agreeing. I'm fortunate that my therapist doesn't shy away from my existential concerns.