§ 42502 Agent Definition

• •An 'agent' is someone who acts for another person, like a helper or middleman.
• •This includes people like brokers, auctioneers, or anyone selling stuff for someone else.
• •The agent has permission (either clear or implied) to do things for the other person.

You ask your friend to sell your old bike for you.

Your friend is acting as your agent because they have your permission to sell the bike for you.