TransAgender

Trans Agender: anyone whose gender identity does not correspond with their assigned gender at birth while feeling their gender identity is actually a lack of gender.

Someone who transcends / transverses the gender spectrums while experiencing no gender; someone who is trans and agender.

Resources

 * 1) https://beyond-mogai-pride-flags.tumblr.com/post/178674481740/trans-agender-pride-flag