“…A few studies have shown that people experiencing homelessness support one another, both informally and through formal peer support initiatives ( Dej, 2020 ; Green, Mason, & Ollerenshaw, 2004 ; Guirguis-Younger, McNeil, & Hwang, 2014 ). Peer support initiatives have also been shown to help other groups experiencing marginalization, such as people with mental health issues or who use substances ( Batchelder et al, 2017 ; Boyce, Munn-Giddings, & Secker, 2018 ; Deering et al, 2009 ), people living with HIV ( Roth et al, 2012 ), the isolated elderly ( Pahk & Baek, 2021 ), and individuals with low health literacy, low socioeconomic status, or other disadvantages ( Sokol & Fisher, 2016 ). Yet there is less research on informal peer support networks, including limited investigation of their mutuality.…”