Abandon (abandon a person animal or object)

Leave, is considered the act of leaving unprotected a living being or inanimate. Not meet their obligations and go with the flow. 

Neglecting personal situation, or particular plural when attention is required of it in some form, for example: "He tried to Abandon their children without explanation." 

Leave It also considers the act to waive or dispense with the services of someone or something while it considers the act of Abandon or ignore the fact serve no compelling circumstances, for example, "John, quit school activities, to leave school. " 

Leaving is also the act of giving up something that one can give but it suddenly or without warning is an act of abandonment.