1. people who call upon or appeal to someone or something for help, support, or inspiration
2. people who cite or refer to something as justification or support for an action or argument
3. people who call forth or bring about something through words or actions

Examples

• The invokers of ancient spirits gathered at midnight.
• Legal invokers of constitutional rights filled the courtroom.
• The protesters were invokers of civil disobedience principles.
• Religious invokers sought divine guidance through prayer.
• The invokers of emergency powers faced strong opposition.
• Historical invokers of freedom inspired the movement.