The fact of being concerned primarily with one's own advantage.

स्वार्थ

English Usage: His self-interest often gets in the way of teamwork.

Hindi Usage: उसका स्वार्थ अक्सर टीम वर्क के रास्ते में आ जाता है।

Having or showing concern solely for one's own advantage.

स्वार्थी

English Usage: The self-interested motives of the politician were evident.

Hindi Usage: राजनीतिज्ञ के स्वार्थी इरादे स्पष्ट थे।