Modifiers matching invalid:

• optimistic,
• brilliant,
• kind-hearted,
• good-hearted,
• crippled,
• arrogant,
• aloof,
• socially-awkward,
• gangly,
• weak,
• bumbling,
• inspirational,
• innocent,
• scientific,
• rigid,
• insightful,
• gentle,
• inspiring,
• sympathetic,
• stubborn,
• socially-unintelligent,
• socially-unaware,

Simple categories matching crippled:

• person,
• invalid,
• child,
• professor,
• royal,
• teacher,
• king,
• scientist,