First Friends Achievement/Trophy Guide
During your first expedition into the Ancient Forrest you will come across a Lynian Researcher who will ask that you find the Bugtrapper Tribe. You will need to follow the path that I take in the following video and make your way to the very top of the Ancient Tree where you will chase the Bugtrapper leader to his hideout.
Once you arrive at the hideout he will make you a member of his tribe and allow his group to fight alongside you in battle. After the conversation is finished you will be given your first new Palico gadget, the 'Flashfly' which will act like a normal flashfly that blinds enemies when activated and if you walk into the leader, you will earn the achievement/trophy "First Friends