Related for Gittin 121:14

One takes upon himself four obligations that are placed on him to be a "chaver" (see Dem. 2:3): (1) he does not sell terumah or ma'aser to an am ha'aretz [a Jew who is not scrupulous in his observance, including the laws of purity and tithing], (2) he does not engage in cleanliness [?] at the home of an am ha'aretz, and (3) he [only] eats unconsecrated meat in a [state of] ritual cleanliness. [Note: per the GR"A, we add (4) he does not sell [Demai] to an am ha'aretz.]

In a city that has both Jews and Gentiles, those who oversee the communal fund should collect from both Jews and Gentiles for the sake of peace. So should they distribute to the poor Gentile and the poor Jew alike for the sake of peace. One should eulogize and bury the deceased Gentile for the sake of peace, and one should comfort the mourning Gentile for the sake of peace.