'Matter' in the Bible

‘If anyone sins after he hears a public adjuration (solemn command to testify) when he is a witness, whether he has seen or [otherwise] known [something]—if he fails to report it, then he will bear his guilt and be held responsible.

“When anyone sins and acts unfaithfully against the Lord by deceiving his neighbor (companion, associate) in regard to a deposit or a security entrusted to him, or through robbery, or if he has extorted from his neighbor,