|Noah Webster's Dictionary|
1. (n.) A boy; especially, a boy servant.
2. (n.) Any male servant; a menial.
3. (n.) A tricky, deceitful fellow; a dishonest person; a rogue; a villain.
4. (n.) A playing card marked with the figure of a servant or soldier; a jack.
Knave (2 Occurrences)
Isaiah 32:5 The foolish man will no longer be named noble, and they will not say of the false man that he is a man of honour. (See RSV)
Isaiah 32:7 The designs of the false are evil, purposing the destruction of the poor man by false words, even when he is in the right. (See RSV)