A task or responsibility someone is expected to perform.

A moral or legal obligation.

नैतिक या कानूनी कर्तव्य

English Usage: She felt it was her duty to speak up for the oppressed.

Hindi Usage: उसने महसूस किया कि दबी हुई आवाज़ों के लिए बोलना उसका कर्तव्य है।

A group of people who work together, especially all those who work on a ship, aircraft, etc.

A group of people with similar interests or activities.

समान रुचियों या गतिविधियों के साथ लोगों का समूह

English Usage: She joined a crew of volunteers at the local shelter.

Hindi Usage: उसने स्थानीय आश्रय में स्वयंसेवकों के एक दल में शामिल हो गई।