surfshark-vpn-cli-bin is the CLI package provided by Surfshark. This is different to the GUI package.
See this link for a guide from Surfshark for installing their CLI client
https://support.surfshark.com/hc/en-us/articles/360017418334-How-to-set-up-Surfshark-VPN-on-Linux-Legacy-version


29 Mar 2024, 13:53 by notify@aur.archlinux.org:
SonTypImInternet [1] filed a deletion request for surfshark-vpn-cli-
bin [2]:

Hello,
since this package has not bin updateded for nearly a year, better
delete this, as it is not up to date anymore.
Thanks.

[1] https://aur.archlinux.org/account/SonTypImInternet/
[2] https://aur.archlinux.org/pkgbase/surfshark-vpn-cli-bin/