Simple categories matching secretive:

• genius,
• hero,
• monk,
• playboy,
• person,
• executive,
• spy,
• billionaire,
• tyrant,
• leader,
• president,
• mammal,
• pretender,
• traitor,
• aristocrat,
• warrior,
• gentleman,
• assassin,
• technologist,
• philanthropist,
• animal,
• thief,
• creature,
• transvestite,
• pioneer,
• superhero,
• bureaucrat,
• orphan,
• king,
• ceo,
• politician,

Members with property secretive:

• mouse,
• Superman,
• Larry_Page,
• Bruce_Wayne,
• George_Smiley,
• Ilya_Kuryakin,
• fox,
• forest_elephant,
• Jack_Bauer,
• Nick_Fury,
• Batman,
• fisher,
• Austin_Powers,
• writer,
• Don_Draper,
• J._Edgar_Hoover,
• novelist,
• cockroach,
• secret_agent,
• Rupert_Murdoch,
• ceo,
• Kim_Philby,
• fbi_agent,
• wild_turkey,
• political_leader,
• hero,
• Matt_Groening,
• adman,
• Sydney_Bristow,
• spy,
• Richard_Nixon,
• bobcat,
• Frank_Underwood,
• large_member,
• president,
• snake,
• bureaucrat,
• kim_jong,
• transvestite,
• Matt_"Daredevil"_Murdock,
• Mata_Hari,
• Catwoman,
• rat,
• Green_Lantern,
• Wolverine,
• pioneer,
• shrew,
• orphan,
• philanthropist,
• raccoon,
• vole,
• Gandalf_the_Grey,
• William_Randolph_Hearst,
• Deadpool,
• Wilson_"Kingpin"_Fisk,
• lemming,
• Dalton_Trumbo,
• coyote,
• software_engineer,
• termite,
• Napoleon_Solo,
• administrator,
• Jason_Bourne,
• leopard,
• pretender,
• technologist,
• James_Bond,
• Joseph_Stalin,
• executive,
• lawman,
• Spider-Man,
• skunk,
• billionaire,
• bat,
• superhero,
• porcupine,
• Agent_Phil_Coulson,
• bank_vole,
• Obi-wan_Kenobi,
• deer,