Operator is a term with multiple meanings depending on the context:
1. In computing and mathematics, an operator is a symbol that represents an operation (e.g., +, -, ×, ÷)
2. A person who operates equipment or machinery (e.g., telephone operator, crane operator)
3. In business, a company that provides a particular service (e.g., tour operator, network operator)
4. In military contexts, a special operations soldier
5. In genetics, a segment of DNA that regulates gene expression