In no Particular Order Here are some Random Canon Character details

(this will have spoilers for up to the latest chapter of Mother of the Moon at the time of posting)

Lythian is Demisexual Panromantic, she could fall in love with a rock and probably has at one point

Reagan is bisexual

Elexis is a Lesbian

Costrae is a demiromantic demigirl who prefers woman and enbys. She doesn't really do the romantic relationship thing for the most part but sometimes they do (very rarely) have a romantic relationship.

Niobe is Bisexual 

Anatia is Bisexual

Bevin is Pansexual

Gwenyth is an aromantic lesbian.

Finley is unclear and its only because she won't let people label her because she's Finley.

Comment if I missed anyone!