Episode 35 - I don't need you or Luca!

In episode 35 of in/habitants, Helen decides to get over her petty feelings and looks for ways to prepare for her and Luca's journey. Before leaving, Eric asks if she will be ok on her own, and she gets snippy with him, still feeling a little jealous of his relationship with Nim. As soon as he leaves, a strange man shows up looking for Luca to sign an important document. Who is this guy, and what does he want with Luca?