Answer: Corporate officer who serves in a representative capacity for the owners of the corporation.
Explanation: In simple words, a person acting on behalf of another person or group is called an agent.
A business agent uses the name of principal for entering into contracts with third parties while an employee is someone who is under the contract with the employer to perform his duties.
So from the above we can conclude that Janitor and gardener are an employee but corporate officer is an agent.