Uchunguzi wa karibu wa mali yoyote, iwe imekuwepo kwa asili, kama uyoga, au imekuwepo kwa juhudi za binadamu, kama mkate au gari, unaonyesha wazi kwamba kuipata kunahitaji kazi.

Close examination of any of the property assets, whether they exist naturally, like a mushroom or whether they exist by man’s effort, such as a loaf or a car, clearly suggests that their acquisition requires work.

Neno ’Amal (kazi) lina maana pana inayojumuisha aina na namna nyingi, na lina matokeo mbalimbali; kwa hiyo Shari’a (sheria ya Mwenyezi Mungu) haikuliacha neno ’Amal katika umbo lake la jumla bila kulifafanua. Pia haikulieleza ’Amal kwa namna ya jumla, bali ilitaja aina fulani maalum za kazi. Ilionyesha aina za kazi na zile zinazokubalika kuwa njia za umiliki. Kwa kuchunguza hukumu za kimungu zinazoeleza kazi, inaonekana kwamba aina za kazi za kisheria, ambazo ni njia halali ya kumiliki mali, ni zifuatazo:

The term ’Amal (work) has a wide meaning encompassing numerous types and forms and has various results, therefore the Shar’a (divine legislation) did not leave the word ‘Amal in its absolute form without definition. It also did not define ‘Amal in a general form but mentioned certain specific forms of work. It demonstrated the types of work and those that are accepted to be means of ownership. By examining the divine rules that describe work, it appears that the types of legal work, which are a valid means of possessing property, are the following:

1. Kulima ardhi isiyotumika (ardhi iliyokufa).

1. Cultivation of unused (dead) land.

2. Kutoa vile vilivyomo ndani ya ardhi, au angani.

2. Extracting that which exists inside the earth, or in the air.

3. Uwindaji.

3. Hunting.

4. Udalali (Samsara) na Wakala wa Tume (Dalala).

4. Brokerage (Samsara) and Commission Agency (Dalala).

5. Ushirikiano wa mwili na mtaji (Mudharaba).

5. Partnership of body and capital (Mudharaba).

6. Ushirikiano wa kilimo (Al-Musaqat).

6. Sharecropping (Musaqat).

7. Kufanya kazi kwa ajili ya wengine kwa ujira.

7. Working for others for a wage.