Gendermirror or Genderreflect is a label for people who mirror the gender of someone in relation, important to that they have a platonic relationship with, a romantic relationship, or other types of relationship. Someone who is gendermirror might be identify as transgender, non-binary, cis, etc.
Examples and notes/smaller terms
Examples
Exa 1. Someone having a deep connection with someone who identifies as transgender, they might have realized they are trans from that person.
Exa 2. Mirroring the gender of long-time favorite singer/fictional character.
Exa 3. Mirroring the gender of a their romantic/platonic partner/friend.
Notes/smaller terms
After breaking the bond/relationship with the person who was mirrored, some gendermirror may become "mirrorless" until they find someone else of high importance to them. Other mirrorgenders, may stay with mirroring the gender.
Mirrorless is a term used when a gendermirror no longer is mirroring someone, some gendermirror might feel a void inside them, feeling of discomfort, or might not even feel anything it all, all depending on the person.
Bimirror or short term for Bigender and gendermirror, is someone who mirrors two genders from two different people at once/fluid between them.
Lingermirror is a term relating to a gendermirror might consider themselves as genderless or lack of gender, due to prehaps fear due to past mirrorings, seeking for "the one" to mirror (non-romantically or not), currently hasn't found anyone worth to them to mirror.
History
Gendermirror was coined on the 25th of May of 2021 by Wiki user, Musephile, currently there is no flag(s).