defend who has the right to rule?

you need to be more specific.

if you mean how to, then just press right and defend is in the sub menu there.

I don't even know sorry

Doctor shopping refers to the practice of going from one physician to another, looking for one that you like. To defend this practice, consider that the patient is paying for the service of a doctor and has a right to be satisfied that he or she has made a good choice, just as with anybody else you might hire to perform a service.

Yes, 'defend' is how you spell defend.