. >> reporter: from a very young age, bilaal rajan thought that helping others in need was the natural thing to do. >> well, i started fund-raising in the age of 4 for an earthquake in india and, simply, i was reading through a newspaper and i saw how a priest from my own religious community had died under the rubble in india. and i decided that i had to do something. that it wasn't really fair. and i was eating a clementine at the time, and i was 4 years old, so the simplest thing to do was well sell clementines. and that's exactly what i did. >> and so he grabbed a little box from the fridge and away he went. he made up a little sign and all that sort of stuff. and we knew from that point that a typical 4-year-old doesn't do that. >> reporter: at the end of the day, he had raised $350. this set off a passion in bilaal that has taken him all over the world to help those less fortunate. >> i've traveled to places like malawi, indonesia, sri lanka, the tsunami-affected regions, ecuador in south america. and some of the things i saw there i definitely won't forget. they had so little, ye