Does the father have to pay zakat al-fitr on behalf of his children if they live with their mother?

Is paying zakaat al-fitr obligatory for someone who only prayed on the last day of Ramadan and did not fast?

Should he pay zakaat al-fitr on behalf of an orphan on whom he is spending?

He cannot find anyone who is entitled to zakaat al-fitr

He did not pay zakaat al-fitr; should he pay it now?

He become Muslim on the last day of Ramadaan – does he have to pay zakaat al-fitr?

Is there a du`a to be said when paying zakat al-fitr?

They gave him zakaat al-fitr but he delayed giving it until after the day of Eid because he could not find any poor people

Can he give zakaat al-fir to his maternal aunt?

Ruling on one who does not pay zakat al-fitr although he is able to