Is that Possible only host can leave a review for Traveler?

Actually, i want to enable the review option only for the host, like the host can leave a review about Traveler and if the traveler going to book any other house from a different host then the host can see a previous host reviews about the Traveler.

Unfortunately, there’s no such feature at the moment, but it’s on the roadmap. In the current version, only listings can be reviewed, and the host rating is the average rating of their listings.