Join online communities related to their interests. Many websites and apps provide a space for people with similar interests to connect with each other, so this can be a great way for girls to find others who share the same hobbies or passions. 2. Participate in local events related to their interests. Girls can attend meet-ups, conventions, conferences, or other events that are focused on their particular interest and get to know other like-minded individuals in person. 3. Connect with local organizations related to their interests. Girls can reach out to organizations working in areas they’re interested in and ask about ways they can get involved or connect with others who share the same interest. 4. Reach out through social media platforms such as Instagram and Twitter using hashtags related to their interests and see what kind of connections they might make that way!