Knave doesn't mean combative, it means deceitful (or servant/worker which I doubt he means here). The most important phrase in my reading is "critical of mouth

Knave doesn't mean combative, it means deceitful (or servant/worker which I doubt he means here). The most important phrase in my reading is "critical of mouth." Also, reading a paragraph wrong doesn't make a person a combative jerk. Nor does being critical.