My elder brother is alawyer,he A lawyer is a person who practices law,you can call him an advocate
awesome what does a lawyer do?
The work of a lawyer is quite demanding,involves the practical application of abstract legal theories and knowledge to solve specific individualized problems, 
Ok are the roles different for different countries?
Their role of the lawyer varies greatly across legal jurisdictions, and so it can be treated here in only the most general terms.
ok interesting what more can you tell me
We also have the barristers a type of lawyer  mostly specialise in courtroom advocacy and litigation.
how long does it take to be a trained lawyer
Solicitor
A solicitor is a legal practitioner who traditionally deals with most of the legal matters in some jurisdictions. A person must have legally-defined qualifications, which vary from one jurisdiction to another, to be described as a solicitor and enabled to practise there as such. For example, in England and Wales a solicitor is admitted to practise under the provisions of the Solicitors Act 1974. With some exceptions, practising solicitors must possess a practising certificate. There are many more solicitors than barristers in England; they undertake the general
Lawyer
A lawyer or attorney is a person who practices law, as an advocate, attorney, attorney at law, barrister, barrister-at-law, bar-at-law, canonist, canon lawyer, civil law notary, counsel, counselor, counsellor, solicitor, legal executive, or public servant preparing, interpreting and applying law, but not as a paralegal or charter executive secretary. Working as a lawyer involves the practical application of abstract legal theories and knowledge to solve specific individualized problems, or to advance