Somebody who lives next door, who stands up for a cause, who do something that causes a change with their neighbors.

She's a good role model, but most people know they will probably never reach and attain what Oprah has.

It may be several women who just believe in human rights and justice and very loving, caring individuals who see a need.

It causes some sleepless nights. Some change is going to have to happen.

The change in shape of the propeller part of the motor during the rotary process causes a change in organization of the molecules of the liquid crystal material and a rotary change in the surface profile. An object placed on top of the surface follows the change in surface profile, which leads to rotary motion. A comparison is a small boat floating on rotating waves.

We can do a lot with change drives, too. In some causes it is better because we can buy things at a discount and without tax.