Man pages matching name group_member in section 3:

group_member.3.en	debian 10 / manpages-dev
group_member.3.ja	debian 10 / manpages-ja-dev
group_member.3.en	debian 11 / manpages-dev
group_member.3.fr	debian 11 / manpages-fr-dev
group_member.3.ja	debian 11 / manpages-ja-dev
group_member.3.de	debian 12 / manpages-de-dev
group_member.3.en	debian 12 / manpages-dev
group_member.3.fr	debian 12 / manpages-fr-dev
group_member.3.ja	debian 12 / manpages-ja-dev