I tried modifying it with the method on the first link but couldn’t work out as I couldn’t find out how to replace every instance of the word I wanted to change with poedit. It appears as if you can only edit one line at a time?
Any way I decided to edit the file buddypress.pot file (inside the bp-languages folder) with a text editor and replace the word “groups” and “group” inside the quotation marks but left the instances where it was associated with .php files. But the word “group” still kept appearing on the website despite it being changed in the .pot file.
Is there something I am missing? or is there a better way of replacing it?