Other words to describe your #Twexit situation (vs refugee):

Escapee.
Fugitive.
Expat.
Runaway.
Émigré.
Exile/exilee.
Quitter.
Dropout.
Dumper.
Ghost.
Breakup.

#TwitterMigration
#FediverseNewbie
#DontBringBadHabitsOverHere
#VocabularySunday