Noun
One who pleads; one who argues for or against; an advotate.
One who draws up or forms pleas; the draughtsman of pleas or pleadings in the widest sense; as, a special pleader.
Source: Webster's dictionaryOh, had I received the education I desired, had I been bred to the profession of the law, I might have been a useful member of society, and instead of myself and my property being taken care of, I might have been a protector of the helpless, a pleader for the poor and unfortunate. Sarah Grimké
Quintilian main Quintilian (35-100 AD) began his career as a pleader in the courts of law; his reputation grew so great that Vespasian created a chair of rhetoric for him in Rome. Source: Internet
This means that to plead a cause of action, the pleader has to plead each element and also allege specific facts which, if proven with evidence at trial, would constitute proof of that element. Source: Internet