Final answer:
A policy entrepreneur is someone who identifies a problem in the policy-making process and works to bring it to the attention of policymakers.
Step-by-step explanation:
A policy entrepreneur, according to John Kingdon, is someone who identifies a problem in the policy-making process and works to bring it to the attention of policymakers. They may propose new policy ideas or advocate for existing policies to be implemented or changed. Policy entrepreneurs can be individuals, groups, or organizations that have the knowledge, expertise, resources, and influence to shape and promote policy solutions.