This is the 232nd most frequent Greek word.
άνθρωπος
"Άνθρωπος" means "human" or "person."
In this sentence, "άνθρωπος" represents humanity as a concept, emphasizing the collective human race.
Οι αρχαίοι Έλληνες πίστευαν ότι ο άνθρωπος είναι το πιο σπουδαίο ον.
The ancient Greeks believed that humanity is the most important being.
Here, "άνθρωπος" designates a specific individual, referring to the one who assisted him.
Όταν συνάντησε τον άνθρωπο που τον βοήθησε, τον ευχαρίστησε προσωπικά.
When he met the person who helped him, he thanked them personally.
Here, "άνθρωπος" refers to an individual (human) and is used in a general sense to signify 'person'.