((Greek mythology) the god of the underworld in ancient mythology; brother of Zeus and husband of Persephone)
(an officer who acts as military assistant to a more senior officer)
(someone who acts as assistant)
(give help or assistance; be of service; "Everyone helped out during the earthquake"; "Can you help me carry this table?"; "She never helps around the house")
(improve the condition of; "These pills will help the patient")