Simple categories matching competent:

• body,
• practitioner,
• person,
• detective,
• rock,
• artisan,
• material,
• heroine,
• worker,
• authorities,
• authority,
• professional,
• hero,
• warrior,
• policeman,
• cell,
• person,
• individual,
• unit,
• scientist,
• specialist,
• athlete,
• layer,

Members with property competent:

• naval_architect,
• natural_killer,
• Ellen_Ripley,
• cop,
• Leroy_Jethro_Gibbs,
• scenic_craftsman,
• James_T._Kirk,
• opcw,
• vein,
• Clarice_Starling,
• plumber,
• professional_phagocyte,
• local_authorities,
• foreman_carpenter,
• Trinity,
• Rick_Deckard,
• Frank_Columbo,
• animal_handler,
• intrusion,
• epithelial_cell,
• building_surveyor,
• Jack_Reacher,
• lawyer,
• nutritionist,
• Sarah_Connor,
• Sherlock_Holmes,
• endothelial_cell,
• british_gas,
• human,
• medical_school,
• Princess_Fiona,
• dakota_sandstone,
• macrophage,
• certifying_body,
• policeman,
• safety_manager,
• foreman,
• lymphocyte,
• Sydney_Bristow,
• andesite,
• neutrophil,
• dendritic_cell,
• block,
• physical_therapist,
• maintenance_contractor,
• actuary,
• qualified_electrician,
• therapist,
• black_shale,
• dyke,
• laboratory_manager,
• Mad_Max_Rockatansky,
• structural_engineer,
• massive_carbonate,
• fao,
• insurance-company_engineer,
• court,
• immigration_authorities,
• car,
• engineering_surveyor,
• national_trust,
• company,
• heroine,
• sandstone,
• educational_institution,
• shale,
• qualified_plumber,
• Perry_Mason,
• quality_council,
• beekeeper,
• police,
• system_manager,
• university_lecturer,
• statistician,
• optometrist,
• surrogate,
• limestone,
• medical_doctor,
• mammalian_zygote,
• teacher,
• nurse,
• trained_worker,
• member,
• midwife,
• boiler_inspector,
• Scarlett_O'Hara,
• occupational_hygienist,
• granulocyte,
• physician,
• John_Constantine,
• trade_committee,
• programme_committee,
• ngo,
• ophthalmologist,
• Inspector_Endeavour_Morse,
• united_nation,
• specialist_contractor,
• mechanic,
• Buzz_Aldrin,
• parish_council,
• engineer,
• Pocahontas,
• professional_engineer,
• surveyor,
• doctor,
• dentist,
• Modesty_Blaise,
• vehicle_enthusiast,
• iaea,
• principal,
• counselor,
• astronaut,
• governmental_department,
• liver_macrophage,
• arbitrator,
• insurance_inspector,
• electronic_technician,
• harbour_authority,
• contractor,
• carbonate,
• Sam_Spade,
• expert_committee,
• social_worker,
• town,
• tight_sandstone,
• consumer_organization,
• Philip_Marlowe,
• architect,
• government,
• John_McClane,
• rhyolite,
• psychiatrist,
• fbi_agent,
• Miss_Jane_Marple,
• port_authorities,
• company_nurse,
• notary,
• electrician,
• glass_contractor,
• detective,
• monocyte,
• psychologist,
• Jean-Luc_Picard,
• Commissioner_James_Gordon,
• agent,
• child,
• feldspar_porphyry,
• chemical_engineer,
• abor_court,
• sand,
• toxicologist,
• immediate_supervisor,
• institution,
• head,
• chief_engineer,
• english_nature,
• counterterrorism_committee,
• pillow,
• sec,
• transportation_authorities,
• ec,
• chemist,
• welder,
• transport_authority,
• supplier,