Stockbrokers are people who buy and sell stocks for other people.
Stockbrokers are usually seen as knowledgeable and helpful because they help people invest their money.
Examples:
The stockbroker helps people buy and sell stocks.
My dad talks to a stockbroker about his money.
The stockbroker at the bank is very busy.
The stockbroker wears a nice suit to work.
The stockbroker knows everything about stocks.
I want to be a stockbroker when I grow up.