This is the 638th most frequent Hindi word.
भगत
Devotee or follower (especially of a deity or saint).
Here, 'भगत' is used to mean a 'devotee' or someone who is very devoted to a deity or cause.
राम एक सच्चे भगत हैं।
Ram is a true devotee.
In this sentence, 'भगत' implies being highly dedicated or committed, metaphorically suggesting devotion to their work.
वह अपने काम का भगत है।
He is devoted to his work.
Here, 'भगत' is a part of the name of the famous Indian freedom fighter 'Bhagat Singh', where it signifies a proper noun.