| A | B |
| fiduciary | An agency relationship based on trust |
| gratuitous agent | Agent that works for free |
| agents agent | Agent appointed by another agent without principals consent |
| subagent | Agent appointed by another agent WITH consent of principal |
| special agent | Agent whose authority is restricted to specific tasks |
| actual authority | authority given to agents by principal |
| independent contractor | Works for proprietor but cannot act on his behalf |
| principal | Individual who gives authority to the agent |
| third party | Person or company who the agent deals with on behalf of the principal |