Companions in The Outer Worlds are very helpful. In addition to having an ally during battles, companions can also carry part of your loot, and also increases the statistics of your hero. There are many different companions to choose from and some of them can be unlocked at the beginning of the game. Read this page to learn how to easily and quickly get a companion in The Outer Worlds.
How to unlock Parvati?
Parvati is the first companion - she can be recruit during the first main quest. Reach Edgewater town - you do this during Stranger in a Strange Land main quest. There, you have to speak with the mayor named Reed. Say that you want to be accompanied by Parvati, an engineer.