friend vs fool in Korean
친구vs바보

친구friend
A friend is a person you like and spend time with. In Korean, 친구 means a friend, usually someone close to your age. You can use this word when talking about school, home, playtime, shopping, or trips with people you know well.
When to use friend
바보fool
바보 means “fool” or “silly person.” People use it when someone does something careless, funny, or not smart. Friends or family may say it playfully, but it can sound rude if you say it seriously.
When to use foolHow they differ
친구 means a friend, someone close to you. It does not mean a silly or careless person.