An advocate or lawyer is a professional in the field of law. A lawyer’s role is to advise on all matters of law, it may involve representing a client in the civil and criminal courts or advising a client on matters such as family law, trusts, and estates, property transactions, commercial and business law. A criminal lawyer is a lawyer specializing in the defense of individuals and companies charged with criminal activity.Criminal law is the body of law that relates to crime. It proscribes conduct perceived as threatening, harmful, or otherwise endangering to the property, health, safety, and moral welfare of people inclusive of one's self. Most criminal lawyers or law are established by statute, which is to say that the laws are enacted by a legislature. Criminal law includes the punish