This is the 219th most frequent Chinese word.
人員
Personnel or staff.
"人員" denotes staff members associated with a particular organization or setting, exemplified by medical personnel.
醫院人員穿著防護服進行醫療工作。
Hospital staff are wearing protective clothing to conduct medical tasks.
In this usage, "人員" identifies employees tasked with specific roles, such as sales representatives.
該公司的銷售人員經常與客戶溝通。
The sales personnel of the company frequently interact with customers.
The word "人員" here refers to members of a specific group who are performing a duty, in this case, police officers.