No, "Klaus Milke, chairman of the pressure group Germanwatch that is advising Luciano" is the one instigating this. The Peruvian farmer is just the Poster Child to tug at the heartstrings of the German courts & populace [and their purse strings for 'charitable donations'].
This is a common tactic everywhere. Normally an organization can’t sue for such things as climate change unless they can allege actual personal damage or else the case will have no standing. So the organization goes shopping for a plaintiff to be the face of the lawsuit, and with as many factors that will increase sympathy.It’s done in the United States all the time. One of the most famous cases here involved Rosa Parks and the civil rights movement.