YOU SAID:
He's the leader of the bunch. You know him well.
INTO JAPANESE
彼はたくさんのリーダーです。 あなたは彼をよく知っています。
BACK INTO ENGLISH
He is a leader of. You know him well.
INTO JAPANESE
彼のリーダーです。あなたは彼をよく知っています。
BACK INTO ENGLISH
It is his readers. You know him well.
INTO JAPANESE
それは彼の読者です。あなたは彼をよく知っています。
BACK INTO ENGLISH
It is his readers. You know him well.
That didn't even make that much sense in English.