Modifiers matching adult:

• qualified,
• responsible,
• fit,
• typical,
• trusted,
• key,
• familiar,
• influential,
• dependent,
• supportive,
• neutral,
• additional,
• important,
• healthy,
• related,
• knowledgeable,
• lay,
• successful,
• vulnerable,
• appropriate,
• relevant,
• concerned,
• mobile,
• small,
• trained,
• trustworthy,
• young,
• experienced,
• older,
• out,
• interested,
• single,
• significant,
• professional,
• suitable,
• aquatic,
• protective,
• male,
• meaningful,
• immunocompromised,
• supporting,

Simple categories matching interested:

• group,
• country,
• ministry,
• agent,
• party,
• constituency,
• behavior,
• individual,
• part,
• committee,
• entity,
• person,
• shareholder,
• thing,
• body,
• circle,
• sector,
• adult,
• observer,
• people,
• user,
• agency,
• organization,
• neighbor,
• institution,
• partner,
• organisation,
• professional,
• issue,