trangeni fu'ivla

x1 is transgender, exhibiting gender x2 (ka), which differs from their assigned gender x3 (ka)

The same umbrella term as in English: x1's gender identity differs from the one they were assigned at birth. Transgender as lujvo: datytracinse. See also lingeni, singeni.

In notes:

p1 is a/the penis of p2=n1 (female).
x1 is cisgender, exhibiting gender x2 (ka), which is the one they were assigned at birth