The cause of kitchen sink smells is often decomposing food in the garbage disposal or P-trap, but unless you're in the habit of dumping kitchen waste in the bathroom sink, smells from that drain usually come directly from the sewer. They occur because the drain vent is blocked and the P-trap has been drained.
Humanitarianism is a moral of kindness, benevolence, and sympathy extended to all human beings. Humanitarianism has been an evolving concept historically, but universality is a common theme in its evolution. No distinction is to be made on the grounds of gender, sexual orientation, race, caste, age, religion, ability, or nationality.
C2 (a person who is) involved in or connected with improving people's lives and reducing suffering: 1  The prisoner has been released for humanitarian reasons. 2  The United Nations is sending humanitarian aid (= food and supplies to help people) to the areas worst affected by the conflict. The well-known humanitarian, Joseph Rowntree, was concerned with the welfare of his employees. The Vatican has agreed to donate $80,000 in humanitarian aid to countries affected by the war.