Lilian is going to retire next month.
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.
He has decided to leave his job.
He lost his job because the company didn't need him any more.
He has to work extra hours.
She's 65 and she's going to stop working.
The boss told him to leave.