nor on household furnishings, animals kept for service, slaves kept for service, or personal weapons, for the two Ṣaḥīḥs state: “No charity is due from a Muslim on his slave or on his horse.”

I say: These are merely examples that illustrate the governing principle of zakah: it is obligatory only on property set aside for growth, whereas anything removed from growth for personal use carries no zakah.

6 – As for the zakah of Fiṭr, it is due on a slave, whether he is kept for service or for trade. This will be discussed, Allah willing.