Maybe pronouns are needed to indicate everyone Except a given person? That is, single words to represent:

• everybody-but-me
• everybody-but-you
• everybody-but-her/him/it

... and so forth? That way, a speaker can more easily and precisely indicate who is not included in a generalization, who lacks a certain quality, etc. — making for more compact and precise expression. And it completes the logical Venn diagram of possible references in a useful way.

Yes, and maybe everybody-but-me sees no need for that ...

^z - 2015-10-26