You can donate either in cash or kind.
Establish contact with your nearest orphanage and enquire about the facilitiea there, if any need of facility/infrastructure improvement then support them with money and material.
You can sponson some of the children there for their education.
Also, you can provide them clothes etc. on special occassions and spend time with them occassionally to give a positive signal in their mind about their future a nd provide them bare necessities.
(Rated by 3 Council Members)