Question

Iam a 7 letter word children's like me more than milk poor people have me and rich people want me if you eat me you will die but you like me more than your life

Answer 1

Nothing

This is a riddle right?

Answer 2

The answer to this riddle is NOTHING.

Nothing is a seven letter word.

Poor people have nothing

Rich people need nothing

If we don't eat nothing we will die

Everyone likes nothing more than ones life.

While this may sound grammatically incorrect, this is the right fit for the question.