Given how wildly different weddings can be, it’s often hard to know exactly what your role is. I’ve attended more weddings than I can count, and have been lucky enough to play a significant part in four of them. I have three pastors in my family, all of whom officiate weddings, and I spent two years working with a wedding planner.
My basic rules are simple: Be on time and don’t be drunk!
Here is more specific information on the roles you may be called on to play in a traditional American wedding, and how to pull them off without screwing up.