There are almost 2 dozen types of law specialties in the United States. They range from civil law, criminal law all the way to disability law. Each one can be very different than others and is exactly why attorneys will specialize in just a few fields. The legal code for each is an enormous amount of information.
In other countries they have similar law categories but may be called something different. Still, many of them share similar category names, like corporate law, for example.
A disability lawyer in Palm Bay Florida will have a different title than a disability rights solicitor in the UK, but they mainly do similar jobs. They represent people who have become disabled and now seek to gain access to disability benefits, ie., payments from the government system. These systems are set up to where individuals and corporations pay into them over time and funds can be accessed should the person become disabled.
A criminal defense attorney in the USA is simply called a criminal defense barrister in the UK. An attorney must pass the Bar Exam in the United States and a barrister must pass the Solicitors Qualifying Examination (SQE) in the UK. Both exams are difficult and are designed to prove that you understand your craft before practicing it in real life. Many years goes into education and training. After all, lives and fortunes hang in the balance.
When choosing an attorney, they can be grouped into two sides. You are either on the offensive or defensive side of a lawsuit. You are either suing someone or are being sued by someone. Even in disability cases, the “defendant” is the system to which you are trying to gain funds from, even though you have a right to the funds. You and your attorney’s job is to build a case and present it in a hearing. A judge or panel will then decide if you are approved or not.