We know it’s about who you know when it comes to getting a job. But even when you’re happily employed, it’s important to take stock of your contacts and make sure your network includes the people who can truly help you out and boost your career at any stage.

No, this isn’t yet another article about why you need a mentor. (Don’t get us wrong, you definitely need a mentor). Instead, this roundup focuses on the more unique connections you should have. Do you know these eight people?

  1. The visionary, who sees the opportunity in every obstacle. (The Muse)

  2. The outsider, who can give you fresh perspective from a different industry. (Huffington Post)

  3. The sponsor, who can influence your manager on your behalf. (Be Leaderly)

  4. The older sibling, who can answer the less-serious questions you don’t want to ask your mentor. (The Muse)

  5. The competitor, who can force you out of your comfort zone. (U.S. News)

  6. The dormant connection, who can introduce you to a whole new group once you reconnect. (Inc.)

  7. The librarian, who can show you resources you had no idea existed. (Fast Company)

  8. The thought leader, who can make you think a little differently. (The Muse)

Photo of people meeting courtesy of Shutterstock.