Noun
てつがくしゃ
その哲学者は強風を通って歩いたので、自分のベレー帽をしっかりと掴まなくてはならなかった。
The philosopher had to hang on to his beret as he walked through the strong wind.
A philosophy scholar (学者) is someone who studies philosophy. They're known as a philosopher.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.