クン, きみ, ぎみ, み

mister, you, ruler, male name suffix

JLPT3 G3 S7 F947

As per # (ruler who brings heaven and earth into harmony) + mouth → ruler whose commands create a harmonious group. The meaning *you* originally was with respect to social superiors, but in modern Japanese is used toward social equals or subordinates.

[Full Kanji Etymology List]