Knaves always tend to be up to trouble. You don't want to trust a knave; knaves lie, deceive, and betray. Today, we might call a knave a "scoundrel" or a "good-for-nothing." Definitions of knave. noun. a deceitful and unreliable scoundrel. synonyms: rapscallion, rascal, rogue, scalawag, scallywag, varlet. see more. More @Wikipedia
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