Simple categories matching helpless:

• animal,
• creature,
• people,
• prey,
• individual,
• victim,
• person,

Members with property helpless:

• child,
• mouse,
• goat,
• unconscious_patient,
• rat,
• chickadee,
• cat,
• young_animal,
• chicken,
• nestling_bird,
• handicapped_person,
• chick,
• lamb,
• rabbit,
• squirrel,
• snake,
• elderly_person,
• bunny,
• tortoise,
• ginger_anteater,
• hadrosaur,
• elderly,
• infant,
• baby,
• sheep,
• baby_animal,
• wolf,
• kitten,
• woman,