Pakistan, Oct. 7 -- Politics often changes the vocabulary of a lawyer. The language of statutes becomes the language of policy, arguments in court become arguments in Parliament, and professional questions acquire a wider public dimension. Yet some lawyers carry into public life something that politics cannot easily replace: an understanding of how the justice system works from the inside.

But the most consequential lawyers are not always those who leave the deepest impression through a celebrated case or a forceful courtroom argument. Sometimes their greater contribution lies in recognising that the law is sustained by institutions, professional standards and generations of people who carry its principles forward. A lawyer who understan...