defenderlo

In a sentence

• Voy a defenderlo en el debate esta tarde.

  I will defend him in the debate this afternoon.

  In this sentence, 'defenderlo' is used as a verb meaning 'to defend' with the pronoun 'lo' indicating the object of the defense, referring to 'him'.

• Es nuestra responsabilidad defenderlo de acusaciones injustas.

  It is our responsibility to defend him from unjust accusations.

  Here 'defenderlo' expresses the action of acting in protection against accusations for 'him', 'lo' is the direct object pronoun referring to the person being defended.

• Traté de defenderlo en la discusión, pero no aceptaron mi punto de vista.

  I tried to defend him in the discussion, but they did not accept my point of view.

  The usage of 'defenderlo' here describes the attempt made to protect or support 'him' during a discussion, with the object pronoun 'lo' specifying who is being defended.