zoltix [1] filed a deletion request for paru-bin [2]: So this package is indeed orphaned, which is expected. Rather than adopting it, I think the appropriate action would be to submit a deletion request, since the two packages would otherwise conflict.
[1] https://aur.archlinux.org/account/zoltix/ [2] https://aur.archlinux.org/pkgbase/paru-bin/
