A Lawyer is defined as someone who is responsible for interpreting the law through and words. This is done in the interest of protecting people like you and me, a business and its concerns or a idea, like our constitution. A lawyer typically needs to have a strong education and be knowledgeable in a variety of subjects for example, economics, history, and physiology. A lawyer , like many other professions, must stay up to date with in his or her field because laws are contently being challenged and sometimes changed.