I am a classic introvert, and a little socially anxious. I love "my people", but I frequently find crowds and strangers overwhelming. After socializing, even with the people I love most, I need time alone to recharge. So of all the ways of being Pagan, it seems a contradiction that I identify most as a community-centred Pagan, the only kind that would seem to require extroversion.
Though it may seem to be a contradiction, I think my introversion is actually why I'm drawn to community. It can be hard for introverts to meet and get to know people, so once we've got ourselves a good group of friends, we definitely want to hold on to them. Most people want to belong to a group and be a part of something, and introverts don't always have the easiest path to finding that, making it very valuable to us when we do. I've got my spiritual family, Silver Spiral, and I have found other pockets of community locally that I enjoy working with, such as the Vancouver Pagan Pride Day team.
Community building isn't just for extroverts. Some of it is outward facing, socializing, presenting, but there are also emails to write, schedules to manage, research to do, cookies to bake... community isn't just built by people who are willing to stand up in front of a group with a vision, but also those who are willing to sit with ideas for hours to help bring a vision to life, and those - introverts and extroverts alike - who are willing to pitch in at every level, including doing the dishes. Pagans with all kinds of belief systems - deity-centred, nature-centred, and inner-centred - can and do help build community, but for community-centred Pagans, this is our spiritual work.
To be a community-centred Pagan is to have spreadsheets as well as athames as religious tools. It means that writing a rite for a group is a ritual in and of itself, satisfying a spiritual need even before the space has been cleansed. It is to recognize that there's magical energy in coordinating a potluck as much as casting a circle, that offering a workshop or a helpful blog post can be as important a religious service as an offering to a deity, and that a call to assist at a concession stand is as much a sacred duty as calling a quarter.

My new washing machine arrived today. It is a thing of beauty, and so quiet compared to my old one that I actually watched it for several minutes before I reluctantly came to believe that it was actually running correctly. The clothing came out free of soap residue without an extra rinse cycle and were spun so completely that they will probably dry overnight on my basement line. A huge improvement over the machine that I've been using for the last eight years, which was a second hand machine that had served a family of four for many years before we got it. The very nice delivery men took away our grubby old washer and the matching dryer we've never used, leaving behind a gleaming new machine with led lights and pleasant chiming noises.
I've had three showers and put all the clothing that went with me in the laundry, but I can still occasionally smell smoke from the sacred fire at the 

I have always been a bit interested in the idea of sacrifice. I remember listening in fascinated horror to the stories of human sacrifice when I visited the Mayan ruins at Chichen Itza when I was about 12 years old. Though I have used the various myths of Gods who sacrifice themselves for the crops and the good of their people in rituals, and I have a line about sacrifice in my pre-meal prayer, I feel like there is a lot more to learn and explore about this topic in a modern Pagan context: