There are a lot of passive skills in Starfield, and the player isn't the only one who has them. Every member of Constellation, as well as the hirable crewmates found in bars and space stations, also have unique Crew Skills that can drastically affect the entire expedition team's odds of survival.
Starfield: Crew Skills, Explained
Crewmates have different things to offer in Starfield, and finding the right combination of people to take on a trip can make all the difference.