The lamb usually is a very good omen in the dreams. If the lamb is in the green area and eating the grass, you will have great companies around you that will bring much joy. If you eat the lambs meat, then you are going to get a very fast financial growth. The lambs could also indicate the fears the dreamer has, therefore he sees someone who is afraid of many things such as the lamb.
Read more about dreaming of Lamb in other dream meanings interpretations.