What are the advocacy priorities for the population(African Americns with Schizophrenia,psychiatric patients)?

What are the advocacy priorities for the population(African Americns with Schizophrenia,psychiatric patients)? What are the needs of this population? Please make reference to orchard allegory.
How are disparities reflected in policy and policy reflected in the disparities?
What is the role of nursing, individually and collectively, in influencing policy decisions that adversely impact vulnerable population