Freelancer (noun)

A self-employed person who works on a project basis and is not committed to a long-term employer.

Origin:

Early 20th century: from free + lance, from old french lance "spear".

Examples:

1. She became a freelancer after leaving her job at the company.
2. He was hired as a freelancer for his expertise in the field.
3. The freelancer was able to take on multiple projects at once.
4. As a freelancer, she had the flexibility to choose her own clients.
5. Many businesses are turning to freelancers for their cost-effective services.