Which document outlines the responsibilities of a Marine Corps counselor?

The document that outlines the responsibilities of a Marine Corps counselor is MCO 1610.12E. This order specifically addresses counseling practices, the roles, and responsibilities of counselors within the Marine Corps, and provides guidance on how to effectively support Marines in their personal and professional development. It serves as a foundational piece for understanding the expectations and duties of a counselor, ensuring that they can provide the necessary guidance and support to those they counsel.

The other documents listed focus on different aspects of Marine Corps operations and policy, such as logistics, administrative procedures, or other administrative roles, which do not pertain directly to the counseling framework and responsibilities.