1. a person or thing that mobilizes; someone who organizes or prepares resources, people, or support for action or a cause

Examples

• The community organizer was an effective mobilizer of local volunteers.
• She served as a key mobilizer for the environmental campaign.
• The mobilizer worked to gather support from different neighborhoods.
• As a political mobilizer, he helped register thousands of new voters.
• The nonprofit hired a mobilizer to coordinate their fundraising efforts.
• Social media has become a powerful mobilizer of public opinion.