Answer:
An individual or organisation that attempts to influence legislation and the administrative decisions of government
Step-by-step explanation:
The associations of organisations and individuals that attempt to influence the public policy based on the one or more shared concerns is called Interest Group.
All interest groups want to affect the government policy. They pressurise the the government to get their demands fulfilled, changes in the legislation or enacting a law.
They exist in all societies and educate the general public and policy makers on various issues.