Entrepreneurship is the process of creating and managing a business venture to achieve success and profitability. An entrepreneur is an individual who starts and manages a business venture to make a profit. The function of an entrepreneur is multi-fold and can be categorized into the following:

Initiating an enterprise and resource coordination:
- An entrepreneur is responsible for identifying an opportunity and creating a business venture around it.
- They are involved in the planning, organizing, and managing of resources such as capital, labor, and material to achieve business objectives.
- They are also responsible for setting up the legal and organizational structure of the business.

Risk bearing:
- Entrepreneurship involves taking risks, and the entrepreneur is responsible for bearing the risks associated with the business venture.
- They invest their own money and time into the business and are willing to take risks in pursuit of profits.

Introducing innovations:
- Entrepreneurs are known for their ability to identify and introduce new and innovative products, services, or processes.
- They are constantly looking for ways to improve their business and stay ahead of the competition.

All of the above:
- The function of an entrepreneur is multi-dimensional and involves initiating an enterprise, coordinating resources, bearing risks, and introducing innovations.
- All of these functions are important for the success of a business venture.

In conclusion, the function of an entrepreneur is crucial for the success of a business venture. They are responsible for initiating an enterprise, coordinating resources, bearing risks, and introducing innovations to achieve profitability and success.