could somebody asexual be a part of a moiraillegience with another person? :O sry if this ask is a little complicated to understand or is badly phrased, just curious

Yeah of course. Moiraillegiance is a Non-Concupiscent Quadrant- Matespritship and Kismesissitude do seem to imply a degree of sexual attraction, but the Pale Quadrant is Platonic Romance.