Mosiah 18:3

And as many as would hear his word he did teach. And he taught them privately, that it might not come to the knowledge of the king. And many did believe his words.

He taught everyone who would listen to him. He taught them in secret so the king wouldn’t find out. Many people believed what he said.

He taught anyone who would listen. He kept it secret so the king wouldn’t find out. Many believed what he said.