What should a questioner who intentionally broke his fast in several previous Ramadans do to atone for his sin, given that he is unable to fast or compensate due to an illness that afflicted him?

Intentionally breaking the fast in Ramadan is a major sin that necessitates repentance, abundant seeking of forgiveness, performing good deeds, and making up for the missed days. As for breaking the fast due to a legitimate excuse, making up for it is obligatory by consensus. Whoever forgets the number of days, must continue fasting until they are reasonably certain that they have made up what was due. A compensatory expiation for delaying the make-up fast becomes obligatory if the next Ramadan begins, and it is not repeated with the repetition of Ramadans. This expiation is specific to cases other than intercourse. However, intentionally breaking the fast by intercourse in Ramadan necessitates a major expiation in addition to repentance and making up for the fast. The make-up fast is not waived except in cases of permanent incapacity. If the illness is temporary, one waits for recovery and then makes up for it. If it is chronic, one feeds a poor person for each day.