The first Torah reading in the book of Numbers is connected to the divine Covenant with the People of Israel, and the Haftorah reading relates to its restoration in the time of the prophet Hosea. Having strayed from G*d, the people are returning to their traditions and observances, and will be rewarded with a renewed closeness with G*d:
The reconciliation begins with G*d leading us, as he has done with His people since Abraham, into the wilderness. In the empty, barren wilderness, we can hear His "small still voice" as it "speaks tenderly" unto us. In that place we can see the love that has always been there, and can respond with our own prayers.
In similar vein, we should see our fellow man not as "not my people", but as "children of a living G*d".