What’s that thing that exist in life that those not knw friend or relatives !!?

If you are thinking of a philosophical concept or a riddle, the answer you are looking for is likely death. It is an inevitable part of life that comes for everyone equally, and it does not discriminate, respect, or “know” friends, relatives, or social status.

I think it’s death

It’s only that does not know friend or relatives

Enemies and snakes.