Synonyms for Varlet (same or very similar meaning)
WordNet sense 1 (a deceitful and unreliable scoundrel):
knave, rapscallion, rascal, rogue, scalawag, scallywagWordNet sense 2 (in medieval times a youth acting as a knight's attendant as the first stage in training for knighthood):
pageFrom the ODE community, based on WordNetadd/edit