The director of the company is going to resign. (AmE quit)
Dan has to do overtime.
A man in our department was sacked yesterday. (or be fired)
Colin was made redundant.
Lilian is going to retire next month.
The boss told him to leave.
She's 65 and she's going to stop working.
He has to work extra hours.
He lost his job because the company didn't need him any more.
He has decided to leave his job.