MASTER HUNTER 1: SKIN 3 DEER.
The prerequisite of this challenge is to complete Chapter 1, and the reward is “Master Hunter Off-Hand Holster available at any Trapper”.
In this guide, you will find a way to complete this challenge in Red Dead Redemption 2.
This challenge will start during the Prologue mission “The Aftermath of Genesis”.
To complete it, you have to find a couple of deer after setting camp at the beginning of Chapter 1, then kill and skin them.