Possible Clues:

• Spanky, for one
• One who is playfully mischievous
• Artist leads malicious gossip and disappears, the knave
• Bad lot included in Cleopatra's, Calpurnia's and Julia's acquaintance
• Changing sides, Indian sailor is seen as villain
• The sort of Lascar that's a scoundrel
• Reprobate
• Cheeky person, scamp
• Varlet
• Seaman has switched sides, the wretch