This dream usually means that you will achieve professional progress and that you will reach specific goals of yours. If you dream about a captain, then you are ready to achieve some honorary status. That is going to bring you to a prominent position in your workplace or in your society.
A comedian who always smiles and never gets sad. A joker in your dream is actually your friend, who is always ready to help and support you. The joker reminds you to stay positive and smile, as it is a great way to overcome any obstacles and life problems.