This is the 1032nd most frequent Japanese word.
人事
"Human resources" or "personnel affairs."
In this sentence, '人事' is used to refer to the Human Resources (HR) department of a company or organization.
彼は人事部で働いています。
He works in the HR department.
Here '人事' refers to personnel matters, such as decisions regarding staffing or employment within a company.
会社の人事が発表されました。
The company's personnel decisions were announced.
In this instance, '人事' pertains to personnel affairs or assignments related to work.