お尋ね者[otazunemono] wanted man
好き者[sukimono] dilettante
へぼ医者[heboisha] quack doctor
愛好者[aikousha] enthusiast
愛国者[aikokusha] patriot

愛読者[aidokusha] subscriber
徒者[itazuramono] mischief-maker
悪者[warumono] bad fellow
悪達者[warudassha] fast slipshod work
圧制者[asseisha] oppressor

間諜[kanchou] (a) spy
諜報[chouhou] secret information
防諜[bouchou] counterintelligence
諜報機関[chouhoukikan] intelligence agency

諜報員[chouhouin] intelligence operative
対敵諜報機関[taitekichouhoukikan] counterintelligence agency
諜者[chouja] spy
諜す[chousu] to spy on