Livestock and Dairy Development Department Secretary is:

The role of a Livestock and Dairy Development Department Secretary within a council is typically that of a Member of the Council. This foundational concept ensures that relevant departmental expertise is integrated into decision-making processes. As a member, the Secretary contributes insights and participates in discussions, aligning with their departmental responsibilities.

• "Not included" is incorrect because their department's mandate is directly relevant to the council's purpose.
• "Chairperson of Council" is usually a more senior or specifically appointed role, not automatically held by a department secretary.
• "Only advisor" is too limiting; members often have voting rights and specific duties beyond mere advice.