defienda

In a sentence

• Si alguien te ataca, defiéndete y defienda tus derechos.

  If someone attacks you, defend yourself and protect your rights.

  Here, "defienda" is used as a formal command in the second person singular (usted) form, instructing someone to protect their rights.

• Es crucial que defienda la postura de la organización en esta reunión.

  It's crucial that you defend the organization's stance in this meeting.

  In this sentence, "defienda" appears as a present subjunctive form relating to doubt or necessity regarding the action of defending.

• Espero que defienda su proyecto frente a los evaluadores.

  I hope that they defend their project in front of the evaluators.

  Here, "defienda" functions in the subjunctive mood to express hope or expectation about someone's action of defending something.