The Big Dictionary of Dreams

by Martha Clarke
Psychologically, guardians symbolize the forces that concentrate on the thresholds that separate the different stages of a person’s evolution. Hence it follows that, for many dream analysts, this figure represents the father who forces you to abide by the standards, but at the same time, watches over you, protecting you from the dangers.

Dreaming of a guardian, therefore, reveals immaturity because you still need an authority to feel safe.

Ten Thousand Dream Interpretation

by Gustavus Hindman Miller
To dream of a guardian, denotes you will be treated with consideration by your friends.

For a young woman to dream that she is being unkindly dealt with by her guardian, foretells that she will have loss and trouble in the future.

The Complete Guide to Interpreting Your Dreams

by Stearn Robinson - Tom Corbett
You can expect to be worried by financial problems connected with a friend if you dreamed of being made the legal guard ian of another person.