[If] he lent him on security, he is a paid shomer. R’ Yehudah says: [If] he lent him money, he is an unpaid shomer; [if] he lent him produce, he is a paid shomer. Abba Shaul says: A person may rent out a poor man’s security, fixing a price and progressively [diminishing the debt], because he is as one who returns a lost article.