Final answer:
Feeding one who preaches the message of the Bhagavad-gétä has several benefits, including feeding the supreme Lord, gaining spiritual knowledge, attaining liberation, and achieving inner peace and happiness.
Step-by-step explanation:
The benefit of feeding one who preaches the message of the Bhagavad-gétä includes several aspects. Firstly, by feeding such a person, one is seen as feeding the supreme Lord directly, which is considered a sacred act. Secondly, feeding one who preaches the message of the Bhagavad-gétä can lead to gaining spiritual knowledge and understanding of the teachings. Thirdly, it is believed that by supporting and nourishing those who spread the message of the Bhagavad-gétä, one can attain liberation from the cycle of birth and death. Lastly, this act can bring inner peace and happiness as one engages in a selfless and virtuous act.