He works as a public officer in the government.

The probation officer visited the defendant to check on their progress.

The flying officer is responsible for piloting the aircraft.

The police officer arrested the suspect.

The public relations officer organized a press conference to announce the company's new product.

The chief petty officer is responsible for leading and supervising a group of sailors.

The chief warrant officer is responsible for overseeing the technical aspects of military operations.

You can inquire about the admission process at the admission office.

The Home Office is responsible for immigration and border control in the UK.

I need to go to the post office to mail this package.