Who Is Obligated?

Obligated to take care, Obligated to spare, Obligated to be awake, Obligated to sacrifice, Obligated to worry, Obligated to keep smile, Obligated for life, Obligated for the name, Obligated for giving birth, Obligated for the initial, Obligated with responsibilities. What obligation do they have, When they disown them? What obligation do they have, when they abandon them? What obligation do they have, when they torture them? What obligation do they have, when they walk over them? What obligation do human have, when they are alone?