A nomad in a dream represents your inner guide. This person has been all around your mind and understands the depths of your emotions. Alternatively the nomad may represent a homeless emotion which you need to recognize and accept.
The wandering desire may need a place to rest for you to find balance in your life.... Dream Symbols and Analysis
This is a dream that could be positive or negative, depending on the case. The nomad represents the traveler, the adventurer who is able to move through the world unburdened with baggage. He does not have any great needs and can carry all that he needs. In this sense, the figure of the nomad means freedom. On the other side, it manifests a provisional and precarious situation. It also expresses disregard toward familiar places and loved ones, and the inability to establish yourself and put down roots. The character and circumstances of the dreamer together will help the interpretation of this dream.... The Big Dictionary of Dreams