obligar

verb
  1. To compel or force someone to do something; to make it necessary for someone to do something due to a moral or legal requirement. verb
    The contract obliges the company to complete the project by the end of the year.
    Parents are obliged to ensure their children receive an education.
  2. To bind someone legally or morally to an action or course of action. verb
    The law obliges citizens to pay taxes.
    He felt obliged to help his friend in need.