This is the 1231st most frequent Polish word.
rafał
"Rafał" is a Polish male given name equivalent to "Raphael" in English.
Here, 'Rafał' is used as a proper noun referring to a person's name.
Rafał lubi grać na gitarze.
Rafał likes to play the guitar.
In this sentence, the word 'rafa' (related to 'rafał') refers to a natural coral reef formation.
Niedaleko brzegu powstała nowa rafa koralowa.
A new coral reef has formed near the shore.
'Rafał' here is again used as a proper noun, indicating a naming context.