A financial advisor is a businessman who can aid you in your financial decisions, whether they be monumental ones, or just something you don't feel comfortable with on your own. Your financial advisor can help you make the right decision in your financial life, and is there to help you through the financial world that you either don't understand, or just want a little help with. A financial advisor is like the counselor for your money, he or she can help make sure that you're using your hard earned money the best way you can.
Some financial advisors will charge a flat rate, and still make money off of commission on products that they are endorsing or selling. Some financial advisors will just charge you a simple fee, without selling any products, or accepting commission pay. You can find a wide variety of financial advisors, whether they're rather generalized in their services, or very specialized, there's a financial advisor for every need. Some areas you may find specialized financial advisors are investing, insurance, estate planning, and taxes. Of course these are but a few examples, and there are many other areas specialized in.