IPA: /fɪˈlɒsəfə/
KK: /fɪˈlɑsəfər/
A person who studies or thinks deeply about fundamental questions regarding existence, knowledge, values, and reason.
Socrates is often considered one of the greatest philosophers in history.
Philosopher → It is formed from "philos" (from Greek "philos", meaning loving) and "sophia" (from Greek "sophia", meaning wisdom). A philosopher is someone who loves wisdom or seeks knowledge.
Think of someone who 'loves' ('philos') 'wisdom' ('sophia') — that's why a philosopher is a person who seeks knowledge.