Thinking it would be best to give herself something other than schoolwork and Head duties to occupy her mind, she’d resurrected S.P.E.W. (That's the Society for the Promotion of Elfish Welfare, for any of you weirdos who haven't read Goblet of Fire - Hermione is basically a SJW for house elves). Many more in the school were now willing to buy a badge and support her cause.