Zakaah on wealth that is held in pledge

Should he pay zakaah on the expenses that his father gives to him?

He did not pay zakaah due to ignorance, and now his money has decreased

No zakaah is due on money if you are not certain that you will get it.

The prisoner must pay zakaah on his wealth

He gave him zakaah on the basis that he give it back to pay off his debt

He bought shares by instalments – should he deduct the shares when paying zakaah?

Is it acceptable for him to put his money with his wife’s money and pay zakaah together?

Zakaah is due on invested wealth and on any profit made

Delay in paying zakaah because he is far away from his wealth