Separation from employment; leaving one's job — covers resignations, layoffs, and other forms of job departure.
彼は家庭の事情で昨年離職した。
He left his job last year for family reasons.
新卒の離職率が高い業界がある。
There are industries with high turnover rates among new graduates.
離職票について人事課に問い合わせた。
I contacted the personnel department about the separation notice (rishokuhyo).