A subagent is a person who works for another agent, helping them to sell things or do other work.
A subagent is like a helper for the main agent. They do some of the work for the main agent.
Examples:
The subagent helps the main agent sell things.
The subagent works with the main agent.
The subagent is very good at selling things.
The subagent and the main agent are a great team.
The subagent is the best at selling things for the main agent.
The subagent and the main agent are like Batman and Robin.