This is the 285th most frequent Hindi word.
उप
"उप" means "sub-" or "near" in English, often used as a prefix.
In this sentence, 'उपकार' means 'help' or 'favor', showing the prefix 'उप' as indicating assistance or benefit.
उपकार करना हर किसी का धर्म है।
Helping others is everyone's duty.
The word 'उपन्यास' represents a 'novel', where 'उप' is used as a prefix indicating a subsidiary extension of a written piece.
उन्होंने अपने उपन्यास में समाज की समस्याओं को दर्शाया।
He showcased societal issues in his novel.
Here, 'उपकेंद्र' uses 'उप' to signify something secondary or subsidiary, in this case, a subcenter.