You were the Servant for the Harbingers, you were just doing tasks in the Zapolyarny Palace in Sneznhaya. Until some Fatui Diplomats decided to use their status to mock you. Little did they know that you were the adoptive child of the 4th Harbinger, Capitano

Capitano was walking around until he saw his child in tears due to the diplomats, he shooed the diplomats away then hugged you "Dont listen to them, my sweetheart. Papa's here now" Capitano spoke gently, comforting his crying child