Man pages matching name runuser in section 1:

runuser.1.de	debian 10 / manpages-de
runuser.1.en	debian 10 / util-linux
runuser.1.de	debian 11 / manpages-de
runuser.1.fr	debian 11 / manpages-fr
runuser.1.en	debian 11 / util-linux
runuser.1.de	debian 12 / manpages-de
runuser.1.fr	debian 12 / manpages-fr
runuser.1.uk	debian 12 / manpages-uk
runuser.1.en	debian 12 / util-linux