The hamster is the animal that is known for its ability to look into places where it shouldnt be looking or being too nosey. The person who dreams of master is minding the business that is not his own. The master could also mean that you are worrying more about the problems of the others but nor your own. Perhaps the unconscious mind of yours is telling you to start minding your own problems and care more about yourself than others. The hamster could indicate the other person in your life.
Read more about dreaming of Hamster in other dream meanings interpretations.