Whom to follow on Steemit should be based on your likes and dislikes.
For someone who loves Travelling and seeing new things.
A person who blogs about travel should be the best person to follow as it would be easier to form a relationship with the person because their blog will naturally interest you and that's the fun of it.
Simply follow the person whose blog you'll enjoy reading.
Cause I don't see a reason you'll follow someone and not like what the person blogs about