invited

intrude or enter uninvited v

disturb, especially by minor irritations v to cause inconvenience or discomfort to v intrude or enter uninvited v make nervous or agitated v make confused or perplexed or puzzled

This guest or group of guests is meant to 1) make it seem like the party has already begun and good times are to be had and 2) make it less awkward in case someone you don't know particularly well arrives before everyone else. > I invited Jona over as a buffer guest in case Tim or Josh came over early, because I don't really have a lot in common with them

v occupy, usually uninvited v make a sudden loud sound v enter uninvited

The person who used to be, but is no longer your next door neighbor. > I invited my ex-door neighbor from California