 In the words of one philosopher, the idea that it is wrong to treat others merely as means is “both very important and very hard to pin down” (Glover 2006: 65). Our investigation has illustrated challenges in specifying what it means to treat others merely as means. It has not revealed one, univocal concept, grounded in common sense, of what just using another amounts to. In the end, there may be no such concept, but rather a set of overlapping notions, which point to a range of morally problematic actions or attitudes concerning the use of others. 