This is a very sensitive question because I can imagine that the neighbors would appreciate assistance but would be sensitive to how it was given.
The question is somewhat unclear. You speak about a neighbor (singular) and then speak about both members of the couple (plural). Then you speak about community's responsibility. Then you speak about trumping.
I agree with Rabbi Bulka that the question is unclear. I wonder whether you are asking about a synagogue community’s responsibility to a non-Jewish friend or neighbor to that synagogue community? Lacking an accurate sense of the situation you describe, I will cast my answer more broadly: