wills and estates lawyer lawyer's responsibilities is advocacy. Lawyers represent clients in legal proceedings, presenting evidence, making arguments, and negotiating settlements. This advocacy is essential in both criminal and civil cases. In criminal cases, defense attorneys ensure that the accused receive a fair trial and that their rights are protected, while prosecutors work to prove the guilt of the defendant in the interest of public safety. In civil cases, lawyers help resolve disputes between parties, ranging from personal injury claims to complex commercial litigation.