Final answer:
The Sergeant-at-Arms is the chapter officer responsible for setting up the meeting room and greeting visitors, ensuring a smooth and organized environment for meetings.
Step-by-step explanation:
The chapter officer responsible for setting up the meeting room and greeting visitors is typically known as the Sergeant-at-Arms. In various organizations, such as student councils or parliamentary groups, the Sergeant-at-Arms plays a crucial role in ensuring meetings run smoothly. They arrange the physical space, manage the entry of members and guests, and address logistical details to foster a welcoming and organized environment.