This John Wo. was a barrister-at-law and son of Wm Wortley b. Yorkshire. Wm Wortley m. Isabel Lawe. Wm's father was High Sheriff of Derbyshire and of the same line as Sir Francis Wortley. (https://www.familytreeforum.com/showthread.php/52855-Baptised-Twice/page2)
Historically, barristers (also known as barrister-at-law or bar-at-law) have had a major role in trial preparation, including drafting pleadings and reviewing evidence.(https://en.wikipedia.org/wiki/Barrister)