Given this and the follow-on line as well as the repetition throughout, it present the image of a native of the area who is perhaps the only security or part of a small security team. Always there, but doesn't necessarily have to be coincidence.

Describing how even in an uncomfortable position, there is a dance beyond that of merrymaking. A figurative dance, of moving in sync but away.

the point of view appears to equate 'Elvis' presence at security as a negative, but it is never fully presented as to the reason, though it may be an undertone of intimacy throughout or that the POV actually knows this 'Elvis' and would rather avoid him.