Hi Andrea, I really appreciate your offer, looking into this issue on my site.

https://wordpress.org/support/topic/search-result-does-not-show-the-correct-member-type/#post-15390906.

Another issue, if I search for user name Admine, nothing comes up.

https://imgur.com/o3Kny1N
https://imgur.com/1TXIn6s

Can a user profile become corrupt, or why is this profile not searchable?

You are welcome to log in to my site to have a look.

Regards
Carsten