Banker (noun)

1. A person who works in a bank, especially in a senior position.
2. A person who deals with financial matters, especially investments.

Origin:

From the middle english word "bankere" meaning "money lender".

Examples:

1. He was a successful banker before he retired.
2. The banker advised her to invest in stocks.
3. The bankers were discussing the interest rates.
4. He works as a banker at a local bank.
5. A banker is a person who works in a bank, especially in a senior position.