yigits [1] filed an orphan request for responder [2]: Maintainer missed two updates of the package (https://github.com/lgandx/Responder/tags), the earlier which was 6 months ago (the flagged update), if you could orphan this I'm willing to adopt & maintain the package
[1] https://aur.archlinux.org/account/yigits/ [2] https://aur.archlinux.org/pkgbase/responder/
