This is the 366th most frequent Greek word.
άνδρας
The Greek word "άνδρας" means "man" or "male" in English.
Here, "άνδρας" refers to an adult male, general usage for 'man' in the subject of the sentence.
Ο άνδρας εργάζεται σκληρά κάθε μέρα.
The man works hard every day.
In this sentence, "άνδρας" specifies a particular man, indicating a feature about him.
Αυτός ο άνδρας είναι πολύ ευγενικός.
This man is very polite.
Here, "άνδρας" is used to introduce an unidentified man in the narrative.