The priest prepared a burnt offering to the gods as a sign of respect.

The president is the ex officio chairman of the board.

The field officer led the troops into battle.

He is a first offender.

The flying officer is responsible for piloting the aircraft.

The Foreign Office is responsible for managing the country's diplomatic relations.

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

The senior chief petty officer is responsible for leading and mentoring junior enlisted personnel.

The returning officer is responsible for overseeing the election process.

The revenue officer conducted an audit on the company's financial records.