To protect against attack or harm.

बचाना

English Usage: She had to defend her position during the debate.

Hindi Usage: उसे बहस के दौरान अपने रुख की रक्षा करनी पड़ी।

The action of protecting or supporting.

बचाव करना

English Usage: He is defending his thesis next week.

Hindi Usage: वह अगले सप्ताह अपनी थीसिस का बचाव कर रहा है।

A person who protects or defends something or someone.

रक्षक

English Usage: The defender blocked the shot during the match.

Hindi Usage: रक्षक ने मैच के दौरान शॉट को रोका।

The act of defending or protecting from harm.

रक्षा

English Usage: The defense of the castle was a difficult task.

Hindi Usage: किले की रक्षा करना एक कठिन कार्य था।