See us being left handed in dreams when in reality we are not, portends that you will need to receive aid and protection in your decisions. The dream also shows that you must be in common sense when making important decisions, otherwise you will be involved in rivalries and conflicts.
Dream dictionary: Left-handed dream meanings
When the dreamer is dreaming about being a left–handed person, especially if in reality he is not, then it could be a sign that he will receive help and protection while negotiating and making decisions. However, it can also indicate a new affection, the nature of which will soon be revealed.
…dream, it represents a manifestation of divine power and a blessed victory. If one pulls his hand from under his arm’s pit and it brings forth water in the dream, it means that he will receive great benefits and growth in his life, or perhaps that a long awaited traveller will shortly arrive to his doorsteps. If a right-handed person sees himself being left– handed in a dream, it means hardships. If one sees himself walking with his hands in a dream, it represents his dependence on a relative to provide for his needs. If one’s hands say something nice to him in a dream, it means financial comfort. If one’s hand is cut-off in a dream as punishment for a sin, it could mean marriage, a bad wife, or lack of trustworthiness. If one washes his hands with soap in a dream, it means that he will abandon something…
Seeing that youre left–handed in your dream, if you are not in real life, shows that you will receive aid and protection in your decisions.