About jaundice can they donate blood in their lifetime??

If he had hepatitis A, there is no chronicity. Once the disease is gone, the virus is gone from the body and he can donate blood safely. If he had hepatitis E, likewise. If he had hepatitis B or C, there is a chance of chronicity,.Even after the disease is gone, the virus may remain and the person becomes a carrier. PCR for hepatitis C or detection of hepatitis B surface antigen by ELISA technique must be done. If negative, blood can be donated safely.

People with jaundice usually have Hepatitis and no, you can't donate. Newborns have jaundice, but it's because they're liver isn't working properly.

If someone has had yellow jaundice they can never donate blood to others.

Yes, as long as its not because of a contagious disease like Hep C. There are many causes for jaundice most of them are not due to a disease that is contagious.

No. This would mean they have an infection in their blood somewhere.