There are lots of jobs to do today. Each job has its own character and field.
A lawyer is a person who has studied law. His job is to give legal advice and to represent people in court.
A singer is someone whose voice has been specially trained for a professional singer.
The police are an organization of men and women who are employed by the government of a country.
Their jobs are to arrest criminals, prevent crime, keep the public in order and to see that laws are obeyed.
A receptionist is a person who is employed in a hotel, a factory or a firm.
Her job is to greet visitors and answer the telephone.