A single interest group can also be referred to as a special interest group, advocacy group, or lobby group. These groups are formed to advocate for a specific cause or issue, such as environmental conservation or healthcare reform. They often work to influence government policies and decisions through lobbying, public campaigns, and fundraising efforts. Other synonyms for a single interest group may include pressure group, activist group, or campaign group. Regardless of what they are called, these groups play a vital role in promoting public awareness and influencing social change. Ultimately, their success depends on their ability to effectively communicate their message and gain support from the public and decision-makers.