Get on Twitter. Meeting people from the design community online first before chatting offline at an event makes it easier to create a connection (especially for introverts!) Speaking to people solely through the internet can be isolating, so if you can, try to connect with people in person to deepen relationships.
Don’t spread yourself too thin across many communities. There are so many great ones out there, but it is about quality over quantity. Try a few out and you’ll find the ones that suit you best where you can learn from others in the group and perhaps discover new passions. There is something out there for everyone.
Designers creating communities can help our industry. We can all band together to stand up for good working practices, and we can grow our skills together. Passion is contagious so being around other designers will make you more passionate about what you do.
People in design communities are not your not competitors; they’re your peers. Everyone has different skills and niches, and you shouldn’t be afraid to share what you know with others, as they will do the same with you.