Answer 1

It is because they are handpicked individuals from the community in order to t̶h̶r̶e̶a̶t̶e̶n̶ p̶e̶o̶p̶l̶e̶ maintain order through a variety of enhanced abilities. Some of their duties include removing duplicate questions like this one that you asked.
https://www.sololearn.com/discuss/954732/?ref=app
https://www.sololearn.com/discuss/1110689/?ref=app
https://www.sololearn.com/discuss/625730/?ref=app

Answer 2

Pranav pratap Singh I'm sure you searched but the sololearn search bar doesn't work the same way as Google. Here you do searches based on the tags you use. Like now you used Sololearn as a tag on this question. If I'm to search for this thread I won't find it based on the fact I would type mods in the search bar and the threads which Prometheus 🇸🇬 provided will pop up.
So in conclusion, using relevant tags enhances the search results.

Answer 3

To see who views their profiles

Answer 4

Pranav pratap Singh I searched using the keywords "what are moderators"

Answer 5

You may also see some profiles with the Pro tag. Those are the users who pay to use the Pro version of the App.

Answer 6

I am not a mod but their work is to moderate the community like deleting a question appearing too much