Your nominee could be a school (or similar institution) that has roofs from which rainwater could be harvested. Your nominee could also be a village that has the school (or similar institution).
There is no restriction regarding locations of nominators and nominees. You could be in USA, nominating any village, schools or similar institutions in Kenya, India…anywhere.
This (nominating) lets your nominee know that you care about them and gives them hope for better water. You also want to post, tweet, or share the nomination with your friends and everyone you know. Think of the respect you gain as your friends and neighbors see how you are helping this community or school.
In the process of nominating, you propose your favorite advertiser –– here, an advertiser is one who draws your attention to their products, services, candidacy or events in public offline news medium –– to mark your nominee’s tanks for free.