I work to deliver letters. Who am I?

I work in the hospital. I cure the patient. Who am I?

I work in the court house. Who am I?

I like singing. I can sing all musics. Who am I?

I teach students at the school. Who am I?

I work to catch the criminals. Who am I?

I work to fly an airplane. Who am I?

I like cooking and I work in the kitchen. Who am I?

I serve the guests at the restaurant. Who am I?

i work to look for the fish. Who am I?

I work at the library. Who am I?

I make tables and chairs of wood. Who am I?

I work to cure patient's teeth. Who am I?

I work to drive a car. Who am I?