Answer: The flood victims were eternally grateful to their benefactors who provided them with food, shelter, and clothing.
The italicized word is benefactor.
The meaning of the word benefactor is a person or individual, usually, one who has a lot of money, that gives money, food, and other essential things to the people who are in need or supports a charity event. Some of the other terms of this word are sponsor, supporter, contributor, and donor. 
 
        
             
        
        
        
You just need to colour those things green whose pronunciation has a short e sound like 'hen' in the picture with green and colour those pics brown whose pronunciation has long e sound like 'Tree' in the following picture. Hope you got it now