Which

Pronoun:  a thought, thing, or being
 A compound relative or indefinite pronoun, standing for any one which, whichever, that which, those which, the . . . which, and the like; as, take which you will.

One may be poor or rich

It doesn't matter which,

one is only interest

To be with love one

Thus one takes a chance

To serve with some things

Sometime thoought can fake

So one take advantage 

of being for selfish one