Answer:
I'm as simple as a circle worthless as a leader; but when I follow a group their strength increases tenfold. By myself I'm practically nothing.
I am the only word that looks the same when spelled upside down.
I have a name written on me, but it isnβt my name. Men plant me, but I never grow. They look at me and see their future, rotting in my bloom.
I let water fall on you while everyone else stays dry.
I jump when I walk and sit when I stand.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.