Yes, genuine brotherly love should move us to display care and concern for all our Christian brothers and sisters.
وَكَانَ عَلَى ٱلرُّسُلِ بِدَوْرِهِمْ أَنْ يَخْدُمُوا بَعْضُهُمْ بَعْضًا بِتَوَاضُعٍ وَمَحَبَّةٍ .‏