奸計[kankei] trick
佞奸[neikan] treacherous
奸物[kanbutsu] cunning man
奸悪[kanaku] wickedness
奸策[kansaku] shrewd (dirty) trick

奸知[kanchi] cunning
奸佞邪智[kanneijachi] wiles and cunning
奸黠[kankatsu] cunning
君側の奸[kunsokunokan] someone who curries favor with their master while secretly plotting against him

遺臣[ishin] surviving retainer
一夜大臣[ichiyadaijin] overnight millionaire
右大臣[udaijin] Minister of the Right (official in Nara and Heian periods)
運輸大臣[unyudaijin] Minister of Transport
下臣[kashin] low-rank retainer

家臣[kashin] vassal
外務大臣[gaimudaijin] Minister for Foreign Affairs
旧臣[kyuushin] old retainer
君臣[kunshin] ruler and ruled
建設大臣[kensetsudaijin] Minister of Construction