While many people in the world who celebrate Christmas do so with an active spiritual or religious component, a good number do not. Some have their own traditions, or prefer to approach the holidays from a more familial and traditional standpoint. The only thing more ubiquitous than celebrations on December 25th is the variety of ways in which this is accomplished.
This got me thinking; if humans can choose to observe how they observe Christmas, how would alien species feel about the whole affair? More specifically for our purposes, how would your character approach the holiday? Would they be interested in immersing themselves in the festivities? Perhaps they’d be interested in observing from a distance. Maybe they’re simply not interested in it, or prefer not to involve themselves for spiritual reasons.
Would your character be interested in celebrating some aspect of Christmas?