8 Difference Between Attorney and Lawyer

1. A lawyer is simply one who is trained in the law.  They may or may not provide legal guidance to another.
2. An attorney or, more correctly, an attorney-at-law, is a member of the legal profession who represents a client in court when pleading or defending a case.
3. Attorneys by definition have passed a bar examination and have been admitted to practice law in the particular jurisdiction. 
4. In the US, attorney applies to any lawyer. 
5. “Lawyer” denotes a profession (I am a lawyer).
“Attorney” denotes the relationship of a lawyer to his or her client (as an attorney, I represent my clients).
6. Russian jurisdiction: every attorney is a lawyer, not every lawyer is attorney.
7. In the United States the terms lawyer and attorney are interchangeable. 
8. A lawyer is someone who has a license to practice law. An attorney is someone who has the legal authority to act on behalf of another person.