Shyster
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A "pettifogging shyster" is an unscrupulous practitioner who disgraces his profession by doing mean work, and resorts to sharp practice to do it.
Bailey v. Kalamazoo Pub. Co., 40 Mich. 251. See, also, Gribble v. Pioneer Press Co., 34 Minn. 342, 25 N. W. 710.