Might want to work out ahead of time who is doing what when travelling. If you take on another roll, you have disadvantage on Perception checks. See PHB p182.
Though there are plenty of other activities, such as tending to animals, driving, crew duties, etc.
Fill in your role (if any) on PC Page. Feel free to discuss here first.
“It is amazing what you can accomplish if you do not care who gets the credit.” – Harry S. Truman