What do you do?

1. What do you do?
I am + occupation.
Examples:-
I am a tailor.
I am a doctor.
I am a lawyer.
2. Where do you work?
a.I work at + place.
Examples:
I work at a clinic.
I work at a restaurant.
I work at a shop.
Here 'at' denotes exact place where you work.
b. I work for + the person/ the company.
Examples:
I work for a designer.
I work for ABC industries.
3. What does he/she/( name of the person )do?
Examples:
He is a doctor.
She is a lawyer.
Sam is a salesman.
4. Where does he/she/( name of the person ) work?
Examples:
He works at a shop.
She works at a showroom.
Nick works at a school.