This refers to all kinds of people and uses size to refer to how important they are. Alternate translation: "Both the important and the unimportant" or "Many people, regardless of how important they are, will" (See: [[rc://en/ta/man/translate/figs-merism]])
# no one will ... cut themselves or shave their heads for them
Cutting oneself and shaving one's head were symbolic actions that expressed strong grief, especially when a loved one died. (See: [[rc://en/ta/man/translate/translate-symaction]])